20878662012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{79147}}^1$

素因数の和:79275

約数の個数: 96

約数和(自身を含む): 55846828800

約数和(自身を除く): 34968166788

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 89, 114, 156, 178, 228, 247, 267, 356, 494, 534, 741, 988, 1068, 1157, 1482, 1691, 2314, 2964, 3382, 3471, 4628, 5073, 6764, 6942, 10146, 13884, 20292, 21983, 43966, 65949, 79147, 87932, 131898, 158294, 237441, 263796, 316588, 474882, 949764, 1028911, 1503793, 2057822, 3007586, 3086733, 4115644, 4511379, 6015172, 6173466, 7044083, 9022758, 12346932, 14088166, 18045516, 19549309, 21132249, 28176332, 39098618, 42264498, 58647927, 78197236, 84528996, 91573079, 117295854, 133837577, 183146158, 234591708, 267675154, 274719237, 366292316, 401512731, 535350308, 549438474, 803025462, 1098876948, 1606050924, 1739888501, 3479777002, 5219665503, 6959554004, 10439331006, 20878662012]

約数ペア:

[(1, 20878662012), (2, 10439331006), (3, 6959554004), (4, 5219665503), (6, 3479777002), (12, 1739888501), (13, 1606050924), (19, 1098876948), (26, 803025462), (38, 549438474), (39, 535350308), (52, 401512731), (57, 366292316), (76, 274719237), (78, 267675154), (89, 234591708), (114, 183146158), (156, 133837577), (178, 117295854), (228, 91573079), (247, 84528996), (267, 78197236), (356, 58647927), (494, 42264498), (534, 39098618), (741, 28176332), (988, 21132249), (1068, 19549309), (1157, 18045516), (1482, 14088166), (1691, 12346932), (2314, 9022758), (2964, 7044083), (3382, 6173466), (3471, 6015172), (4628, 4511379), (5073, 4115644), (6764, 3086733), (6942, 3007586), (10146, 2057822), (13884, 1503793), (20292, 1028911), (21983, 949764), (43966, 474882), (65949, 316588), (79147, 263796), (87932, 237441), (131898, 158294)]