20794320612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{128047}}^1$

素因数の和:128417

約数の個数: 72

約数和(自身を含む): 56770336896

約数和(自身を除く): 35976016284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 347, 468, 694, 1041, 1388, 2082, 3123, 4164, 4511, 6246, 9022, 12492, 13533, 18044, 27066, 40599, 54132, 81198, 128047, 162396, 256094, 384141, 512188, 768282, 1152423, 1536564, 1664611, 2304846, 3329222, 4609692, 4993833, 6658444, 9987666, 14981499, 19975332, 29962998, 44432309, 59925996, 88864618, 133296927, 177729236, 266593854, 399890781, 533187708, 577620017, 799781562, 1155240034, 1599563124, 1732860051, 2310480068, 3465720102, 5198580153, 6931440204, 10397160306, 20794320612]

約数ペア:

[(1, 20794320612), (2, 10397160306), (3, 6931440204), (4, 5198580153), (6, 3465720102), (9, 2310480068), (12, 1732860051), (13, 1599563124), (18, 1155240034), (26, 799781562), (36, 577620017), (39, 533187708), (52, 399890781), (78, 266593854), (117, 177729236), (156, 133296927), (234, 88864618), (347, 59925996), (468, 44432309), (694, 29962998), (1041, 19975332), (1388, 14981499), (2082, 9987666), (3123, 6658444), (4164, 4993833), (4511, 4609692), (6246, 3329222), (9022, 2304846), (12492, 1664611), (13533, 1536564), (18044, 1152423), (27066, 768282), (40599, 512188), (54132, 384141), (81198, 256094), (128047, 162396)]