20147803806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 45386409600

約数和(自身を除く): 25238605794

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 101, 111, 169, 202, 222, 303, 338, 409, 481, 507, 606, 818, 962, 1014, 1227, 1313, 1443, 2197, 2454, 2626, 2886, 3737, 3939, 4394, 5317, 6253, 6591, 7474, 7878, 10634, 11211, 12506, 13182, 15133, 15951, 17069, 18759, 22422, 30266, 31902, 34138, 37518, 41309, 45399, 48581, 51207, 69121, 81289, 82618, 90798, 97162, 102414, 123927, 138242, 145743, 162578, 196729, 207363, 221897, 243867, 247854, 291486, 393458, 414726, 443794, 487734, 537017, 590187, 631553, 665691, 898573, 1074034, 1180374, 1263106, 1331382, 1528433, 1611051, 1797146, 1894659, 2557477, 2695719, 3056866, 3222102, 3789318, 4585299, 5114954, 5391438, 6981221, 7672431, 8210189, 9170598, 13962442, 15344862, 16420378, 19869629, 20943663, 24630567, 33247201, 39739258, 41887326, 49261134, 59608887, 66494402, 90755873, 99741603, 119217774, 181511746, 199483206, 258305177, 272267619, 516610354, 544535238, 774915531, 1549831062, 3357967301, 6715934602, 10073901903, 20147803806]

約数ペア:

[(1, 20147803806), (2, 10073901903), (3, 6715934602), (6, 3357967301), (13, 1549831062), (26, 774915531), (37, 544535238), (39, 516610354), (74, 272267619), (78, 258305177), (101, 199483206), (111, 181511746), (169, 119217774), (202, 99741603), (222, 90755873), (303, 66494402), (338, 59608887), (409, 49261134), (481, 41887326), (507, 39739258), (606, 33247201), (818, 24630567), (962, 20943663), (1014, 19869629), (1227, 16420378), (1313, 15344862), (1443, 13962442), (2197, 9170598), (2454, 8210189), (2626, 7672431), (2886, 6981221), (3737, 5391438), (3939, 5114954), (4394, 4585299), (5317, 3789318), (6253, 3222102), (6591, 3056866), (7474, 2695719), (7878, 2557477), (10634, 1894659), (11211, 1797146), (12506, 1611051), (13182, 1528433), (15133, 1331382), (15951, 1263106), (17069, 1180374), (18759, 1074034), (22422, 898573), (30266, 665691), (31902, 631553), (34138, 590187), (37518, 537017), (41309, 487734), (45399, 443794), (48581, 414726), (51207, 393458), (69121, 291486), (81289, 247854), (82618, 243867), (90798, 221897), (97162, 207363), (102414, 196729), (123927, 162578), (138242, 145743)]