20123171296

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{1373}}^1\times {\mathrm{11171}}^1$

素因数の和:12595

約数の個数: 48

約数和(自身を含む): 40616967888

約数和(自身を除く): 20493796592

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 1373, 2746, 5492, 10984, 11171, 21968, 22342, 43936, 44684, 56293, 89368, 112586, 178736, 225172, 357472, 450344, 458011, 900688, 916022, 1801376, 1832044, 3664088, 7328176, 14656352, 15337783, 30675566, 61351132, 122702264, 245404528, 490809056, 628849103, 1257698206, 2515396412, 5030792824, 10061585648, 20123171296]

約数ペア:

[(1, 20123171296), (2, 10061585648), (4, 5030792824), (8, 2515396412), (16, 1257698206), (32, 628849103), (41, 490809056), (82, 245404528), (164, 122702264), (328, 61351132), (656, 30675566), (1312, 15337783), (1373, 14656352), (2746, 7328176), (5492, 3664088), (10984, 1832044), (11171, 1801376), (21968, 916022), (22342, 900688), (43936, 458011), (44684, 450344), (56293, 357472), (89368, 225172), (112586, 178736)]