20185544240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3553793}}^1$

素因数の和:3553877

約数の個数: 40

約数和(自身を含む): 47592409248

約数和(自身を除く): 27406865008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 3553793, 7107586, 14215172, 17768965, 28430344, 35537930, 56860688, 71075860, 142151720, 252319303, 284303440, 504638606, 1009277212, 1261596515, 2018554424, 2523193030, 4037108848, 5046386060, 10092772120, 20185544240]

約数ペア:

[(1, 20185544240), (2, 10092772120), (4, 5046386060), (5, 4037108848), (8, 2523193030), (10, 2018554424), (16, 1261596515), (20, 1009277212), (40, 504638606), (71, 284303440), (80, 252319303), (142, 142151720), (284, 71075860), (355, 56860688), (568, 35537930), (710, 28430344), (1136, 17768965), (1420, 14215172), (2840, 7107586), (5680, 3553793)]