20126904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 38625096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2549, 2632, 3948, 5098, 7647, 7896, 10196, 15294, 17843, 20392, 30588, 35686, 53529, 61176, 71372, 107058, 119803, 142744, 214116, 239606, 359409, 428232, 479212, 718818, 838621, 958424, 1437636, 1677242, 2515863, 2875272, 3354484, 5031726, 6708968, 10063452, 20126904]

約数ペア:

[(1, 20126904), (2, 10063452), (3, 6708968), (4, 5031726), (6, 3354484), (7, 2875272), (8, 2515863), (12, 1677242), (14, 1437636), (21, 958424), (24, 838621), (28, 718818), (42, 479212), (47, 428232), (56, 359409), (84, 239606), (94, 214116), (141, 142744), (168, 119803), (188, 107058), (282, 71372), (329, 61176), (376, 53529), (564, 35686), (658, 30588), (987, 20392), (1128, 17843), (1316, 15294), (1974, 10196), (2549, 7896), (2632, 7647), (3948, 5098)]