20367804560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11069459}}^1$

素因数の和:11069495

約数の個数: 40

約数和(自身を含む): 49414069440

約数和(自身を除く): 29046264880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11069459, 22138918, 44277836, 55347295, 88555672, 110694590, 177111344, 221389180, 254597557, 442778360, 509195114, 885556720, 1018390228, 1272987785, 2036780456, 2545975570, 4073560912, 5091951140, 10183902280, 20367804560]

約数ペア:

[(1, 20367804560), (2, 10183902280), (4, 5091951140), (5, 4073560912), (8, 2545975570), (10, 2036780456), (16, 1272987785), (20, 1018390228), (23, 885556720), (40, 509195114), (46, 442778360), (80, 254597557), (92, 221389180), (115, 177111344), (184, 110694590), (230, 88555672), (368, 55347295), (460, 44277836), (920, 22138918), (1840, 11069459)]