20865468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2267}}^1$

素因数の和:2346

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 32477892

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2267, 2301, 3068, 4534, 4602, 6801, 9068, 9204, 13602, 27204, 29471, 58942, 88413, 117884, 133753, 176826, 267506, 353652, 401259, 535012, 802518, 1605036, 1738789, 3477578, 5216367, 6955156, 10432734, 20865468]

約数ペア:

[(1, 20865468), (2, 10432734), (3, 6955156), (4, 5216367), (6, 3477578), (12, 1738789), (13, 1605036), (26, 802518), (39, 535012), (52, 401259), (59, 353652), (78, 267506), (118, 176826), (156, 133753), (177, 117884), (236, 88413), (354, 58942), (708, 29471), (767, 27204), (1534, 13602), (2267, 9204), (2301, 9068), (3068, 6801), (4534, 4602)]