20196840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3642

約数の個数: 64

約数和(自身を含む): 61896960

約数和(自身を除く): 41700120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3581, 5640, 7162, 10743, 14324, 17905, 21486, 28648, 35810, 42972, 53715, 71620, 85944, 107430, 143240, 168307, 214860, 336614, 429720, 504921, 673228, 841535, 1009842, 1346456, 1683070, 2019684, 2524605, 3366140, 4039368, 5049210, 6732280, 10098420, 20196840]

約数ペア:

[(1, 20196840), (2, 10098420), (3, 6732280), (4, 5049210), (5, 4039368), (6, 3366140), (8, 2524605), (10, 2019684), (12, 1683070), (15, 1346456), (20, 1009842), (24, 841535), (30, 673228), (40, 504921), (47, 429720), (60, 336614), (94, 214860), (120, 168307), (141, 143240), (188, 107430), (235, 85944), (282, 71620), (376, 53715), (470, 42972), (564, 35810), (705, 28648), (940, 21486), (1128, 17905), (1410, 14324), (1880, 10743), (2820, 7162), (3581, 5640)]