20318536

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3049}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 46939500

約数和(自身を除く): 26620964

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3049, 3332, 6098, 6664, 12196, 21343, 24392, 42686, 51833, 85372, 103666, 149401, 170744, 207332, 298802, 362831, 414664, 597604, 725662, 1195208, 1451324, 2539817, 2902648, 5079634, 10159268, 20318536]

約数ペア:

[(1, 20318536), (2, 10159268), (4, 5079634), (7, 2902648), (8, 2539817), (14, 1451324), (17, 1195208), (28, 725662), (34, 597604), (49, 414664), (56, 362831), (68, 298802), (98, 207332), (119, 170744), (136, 149401), (196, 103666), (238, 85372), (392, 51833), (476, 42686), (833, 24392), (952, 21343), (1666, 12196), (3049, 6664), (3332, 6098)]