20106254840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3821}}^1\times {\mathrm{18793}}^1$

素因数の和:22632

約数の個数: 64

約数和(自身を含む): 51718080960

約数和(自身を除く): 31611826120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3821, 7642, 15284, 18793, 19105, 26747, 30568, 37586, 38210, 53494, 75172, 76420, 93965, 106988, 131551, 133735, 150344, 152840, 187930, 213976, 263102, 267470, 375860, 526204, 534940, 657755, 751720, 1052408, 1069880, 1315510, 2631020, 5262040, 71808053, 143616106, 287232212, 359040265, 502656371, 574464424, 718080530, 1005312742, 1436161060, 2010625484, 2513281855, 2872322120, 4021250968, 5026563710, 10053127420, 20106254840]

約数ペア:

[(1, 20106254840), (2, 10053127420), (4, 5026563710), (5, 4021250968), (7, 2872322120), (8, 2513281855), (10, 2010625484), (14, 1436161060), (20, 1005312742), (28, 718080530), (35, 574464424), (40, 502656371), (56, 359040265), (70, 287232212), (140, 143616106), (280, 71808053), (3821, 5262040), (7642, 2631020), (15284, 1315510), (18793, 1069880), (19105, 1052408), (26747, 751720), (30568, 657755), (37586, 534940), (38210, 526204), (53494, 375860), (75172, 267470), (76420, 263102), (93965, 213976), (106988, 187930), (131551, 152840), (133735, 150344)]