20145694784

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{8059}}^1$

素因数の和:8491

約数の個数: 56

約数和(自身を含む): 40412517600

約数和(自身を除く): 20266822816

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 281, 556, 562, 1112, 1124, 2224, 2248, 4448, 4496, 8059, 8896, 8992, 16118, 17984, 32236, 39059, 64472, 78118, 128944, 156236, 257888, 312472, 515776, 624944, 1120201, 1249888, 2240402, 2264579, 2499776, 4480804, 4529158, 8961608, 9058316, 17923216, 18116632, 35846432, 36233264, 71692864, 72466528, 144933056, 314776481, 629552962, 1259105924, 2518211848, 5036423696, 10072847392, 20145694784]

約数ペア:

[(1, 20145694784), (2, 10072847392), (4, 5036423696), (8, 2518211848), (16, 1259105924), (32, 629552962), (64, 314776481), (139, 144933056), (278, 72466528), (281, 71692864), (556, 36233264), (562, 35846432), (1112, 18116632), (1124, 17923216), (2224, 9058316), (2248, 8961608), (4448, 4529158), (4496, 4480804), (8059, 2499776), (8896, 2264579), (8992, 2240402), (16118, 1249888), (17984, 1120201), (32236, 624944), (39059, 515776), (64472, 312472), (78118, 257888), (128944, 156236)]