20122556490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{15901}}^1$

素因数の和:16069

約数の個数: 128

約数和(自身を含む): 55415289600

約数和(自身を除く): 35292733110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 109, 129, 135, 215, 218, 258, 270, 327, 387, 430, 545, 645, 654, 774, 981, 1090, 1161, 1290, 1635, 1935, 1962, 2322, 2943, 3270, 3870, 4687, 4905, 5805, 5886, 9374, 9810, 11610, 14061, 14715, 15901, 23435, 28122, 29430, 31802, 42183, 46870, 47703, 70305, 79505, 84366, 95406, 126549, 140610, 143109, 159010, 210915, 238515, 253098, 286218, 421830, 429327, 477030, 632745, 683743, 715545, 858654, 1265490, 1367486, 1431090, 1733209, 2051229, 2146635, 3418715, 3466418, 4102458, 4293270, 5199627, 6153687, 6837430, 8666045, 10256145, 10399254, 12307374, 15598881, 17332090, 18461061, 20512290, 25998135, 30768435, 31197762, 36922122, 46796643, 51996270, 61536870, 74527987, 77994405, 92305305, 93593286, 149055974, 155988810, 184610610, 223583961, 233983215, 372639935, 447167922, 467966430, 670751883, 745279870, 1117919805, 1341503766, 2012255649, 2235839610, 3353759415, 4024511298, 6707518830, 10061278245, 20122556490]

約数ペア:

[(1, 20122556490), (2, 10061278245), (3, 6707518830), (5, 4024511298), (6, 3353759415), (9, 2235839610), (10, 2012255649), (15, 1341503766), (18, 1117919805), (27, 745279870), (30, 670751883), (43, 467966430), (45, 447167922), (54, 372639935), (86, 233983215), (90, 223583961), (109, 184610610), (129, 155988810), (135, 149055974), (215, 93593286), (218, 92305305), (258, 77994405), (270, 74527987), (327, 61536870), (387, 51996270), (430, 46796643), (545, 36922122), (645, 31197762), (654, 30768435), (774, 25998135), (981, 20512290), (1090, 18461061), (1161, 17332090), (1290, 15598881), (1635, 12307374), (1935, 10399254), (1962, 10256145), (2322, 8666045), (2943, 6837430), (3270, 6153687), (3870, 5199627), (4687, 4293270), (4905, 4102458), (5805, 3466418), (5886, 3418715), (9374, 2146635), (9810, 2051229), (11610, 1733209), (14061, 1431090), (14715, 1367486), (15901, 1265490), (23435, 858654), (28122, 715545), (29430, 683743), (31802, 632745), (42183, 477030), (46870, 429327), (47703, 421830), (70305, 286218), (79505, 253098), (84366, 238515), (95406, 210915), (126549, 159010), (140610, 143109)]