20196652

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 21736148

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 103, 149, 188, 206, 298, 329, 412, 596, 658, 721, 1043, 1316, 1442, 2086, 2884, 4172, 4841, 7003, 9682, 14006, 15347, 19364, 28012, 30694, 33887, 49021, 61388, 67774, 98042, 107429, 135548, 196084, 214858, 429716, 721309, 1442618, 2885236, 5049163, 10098326, 20196652]

約数ペア:

[(1, 20196652), (2, 10098326), (4, 5049163), (7, 2885236), (14, 1442618), (28, 721309), (47, 429716), (94, 214858), (103, 196084), (149, 135548), (188, 107429), (206, 98042), (298, 67774), (329, 61388), (412, 49021), (596, 33887), (658, 30694), (721, 28012), (1043, 19364), (1316, 15347), (1442, 14006), (2086, 9682), (2884, 7003), (4172, 4841)]