20307712

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3449}}^1$

素因数の和:3488

約数の個数: 36

約数和(自身を含む): 42310800

約数和(自身を除く): 22003088

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3449, 5888, 6898, 13796, 27592, 55184, 79327, 110368, 158654, 220736, 317308, 441472, 634616, 882944, 1269232, 2538464, 5076928, 10153856, 20307712]

約数ペア:

[(1, 20307712), (2, 10153856), (4, 5076928), (8, 2538464), (16, 1269232), (23, 882944), (32, 634616), (46, 441472), (64, 317308), (92, 220736), (128, 158654), (184, 110368), (256, 79327), (368, 55184), (736, 27592), (1472, 13796), (2944, 6898), (3449, 5888)]