220887684

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{17581}}^1$

素因数の和:17940

約数の個数: 36

約数和(自身を含む): 559986700

約数和(自身を除く): 339099016

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 2094, 3141, 4188, 6282, 12564, 17581, 35162, 52743, 70324, 105486, 158229, 210972, 316458, 632916, 6135769, 12271538, 18407307, 24543076, 36814614, 55221921, 73629228, 110443842, 220887684]

約数ペア:

[(1, 220887684), (2, 110443842), (3, 73629228), (4, 55221921), (6, 36814614), (9, 24543076), (12, 18407307), (18, 12271538), (36, 6135769), (349, 632916), (698, 316458), (1047, 210972), (1396, 158229), (2094, 105486), (3141, 70324), (4188, 52743), (6282, 35162), (12564, 17581)]