20175243008

素因数分解:

$2^8\times {\mathrm{6991}}^1\times {\mathrm{11273}}^1$

素因数の和:18280

約数の個数: 36

約数和(自身を含む): 40281009888

約数和(自身を除く): 20105766880

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 6991, 11273, 13982, 22546, 27964, 45092, 55928, 90184, 111856, 180368, 223712, 360736, 447424, 721472, 894848, 1442944, 1789696, 2885888, 78809543, 157619086, 315238172, 630476344, 1260952688, 2521905376, 5043810752, 10087621504, 20175243008]

約数ペア:

[(1, 20175243008), (2, 10087621504), (4, 5043810752), (8, 2521905376), (16, 1260952688), (32, 630476344), (64, 315238172), (128, 157619086), (256, 78809543), (6991, 2885888), (11273, 1789696), (13982, 1442944), (22546, 894848), (27964, 721472), (45092, 447424), (55928, 360736), (90184, 223712), (111856, 180368)]