20514961803

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 36667883520

約数和(自身を除く): 16152921717

約数列:

[1, 3, 7, 17, 21, 23, 47, 51, 53, 59, 69, 119, 141, 159, 161, 177, 289, 329, 357, 371, 391, 413, 483, 799, 867, 901, 987, 1003, 1081, 1113, 1173, 1219, 1239, 1357, 2023, 2397, 2491, 2703, 2737, 2773, 3009, 3127, 3243, 3657, 4071, 5593, 6069, 6307, 6647, 7021, 7473, 7567, 8211, 8319, 8533, 9381, 9499, 13583, 15317, 16779, 17051, 17437, 18377, 18921, 19411, 19941, 20723, 21063, 21889, 22701, 23069, 25599, 28497, 40749, 42347, 45951, 46529, 47141, 51153, 52311, 53159, 55131, 57293, 58233, 62169, 63779, 65667, 69207, 71921, 95081, 107219, 119357, 127041, 128639, 139587, 141423, 145061, 146969, 159477, 161483, 171879, 191337, 215763, 285243, 296429, 312409, 321657, 329987, 352291, 358071, 372113, 385917, 392173, 401051, 435183, 440907, 446453, 484449, 503447, 719899, 801397, 889287, 903703, 937227, 973981, 989961, 1028783, 1056873, 1084243, 1116339, 1176519, 1203153, 1222657, 1339359, 1510341, 2159697, 2186863, 2404191, 2466037, 2498473, 2711109, 2745211, 2921943, 3086349, 3252729, 3380287, 3667971, 5039293, 5609779, 6325921, 6560589, 6817867, 7398111, 7495419, 7589701, 8235633, 8558599, 10140861, 15117879, 16557677, 16829337, 17489311, 18432131, 18977763, 20453601, 20785169, 22769103, 23662009, 25675797, 42474041, 49673031, 52467933, 55296393, 57464879, 62355507, 70986027, 115903739, 127422123, 129024917, 145496183, 172394637, 297318287, 347711217, 387074751, 402254153, 436488549, 891954861, 976902943, 1206762459, 2930708829, 6838320601, 20514961803]

約数ペア:

[(1, 20514961803), (3, 6838320601), (7, 2930708829), (17, 1206762459), (21, 976902943), (23, 891954861), (47, 436488549), (51, 402254153), (53, 387074751), (59, 347711217), (69, 297318287), (119, 172394637), (141, 145496183), (159, 129024917), (161, 127422123), (177, 115903739), (289, 70986027), (329, 62355507), (357, 57464879), (371, 55296393), (391, 52467933), (413, 49673031), (483, 42474041), (799, 25675797), (867, 23662009), (901, 22769103), (987, 20785169), (1003, 20453601), (1081, 18977763), (1113, 18432131), (1173, 17489311), (1219, 16829337), (1239, 16557677), (1357, 15117879), (2023, 10140861), (2397, 8558599), (2491, 8235633), (2703, 7589701), (2737, 7495419), (2773, 7398111), (3009, 6817867), (3127, 6560589), (3243, 6325921), (3657, 5609779), (4071, 5039293), (5593, 3667971), (6069, 3380287), (6307, 3252729), (6647, 3086349), (7021, 2921943), (7473, 2745211), (7567, 2711109), (8211, 2498473), (8319, 2466037), (8533, 2404191), (9381, 2186863), (9499, 2159697), (13583, 1510341), (15317, 1339359), (16779, 1222657), (17051, 1203153), (17437, 1176519), (18377, 1116339), (18921, 1084243), (19411, 1056873), (19941, 1028783), (20723, 989961), (21063, 973981), (21889, 937227), (22701, 903703), (23069, 889287), (25599, 801397), (28497, 719899), (40749, 503447), (42347, 484449), (45951, 446453), (46529, 440907), (47141, 435183), (51153, 401051), (52311, 392173), (53159, 385917), (55131, 372113), (57293, 358071), (58233, 352291), (62169, 329987), (63779, 321657), (65667, 312409), (69207, 296429), (71921, 285243), (95081, 215763), (107219, 191337), (119357, 171879), (127041, 161483), (128639, 159477), (139587, 146969), (141423, 145061)]