20843470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 18471986

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 947, 1894, 2201, 4402, 4735, 9470, 11005, 22010, 29357, 58714, 67237, 134474, 146785, 293570, 336185, 672370, 2084347, 4168694, 10421735, 20843470]

約数ペア:

[(1, 20843470), (2, 10421735), (5, 4168694), (10, 2084347), (31, 672370), (62, 336185), (71, 293570), (142, 146785), (155, 134474), (310, 67237), (355, 58714), (710, 29357), (947, 22010), (1894, 11005), (2201, 9470), (4402, 4735)]