20288436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 54499200

約数和(自身を除く): 34210764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1621, 1788, 2086, 3129, 3242, 4172, 4863, 6258, 6484, 9726, 11347, 12516, 19452, 22694, 34041, 45388, 68082, 136164, 241529, 483058, 724587, 966116, 1449174, 1690703, 2898348, 3381406, 5072109, 6762812, 10144218, 20288436]

約数ペア:

[(1, 20288436), (2, 10144218), (3, 6762812), (4, 5072109), (6, 3381406), (7, 2898348), (12, 1690703), (14, 1449174), (21, 966116), (28, 724587), (42, 483058), (84, 241529), (149, 136164), (298, 68082), (447, 45388), (596, 34041), (894, 22694), (1043, 19452), (1621, 12516), (1788, 11347), (2086, 9726), (3129, 6484), (3242, 6258), (4172, 4863)]