20054216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 46838400

約数和(自身を除く): 26784184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 163, 169, 182, 326, 338, 364, 652, 676, 728, 1141, 1183, 1304, 1352, 2119, 2197, 2282, 2366, 4238, 4394, 4564, 4732, 8476, 8788, 9128, 9464, 14833, 15379, 16952, 17576, 27547, 29666, 30758, 55094, 59332, 61516, 110188, 118664, 123032, 192829, 220376, 358111, 385658, 716222, 771316, 1432444, 1542632, 2506777, 2864888, 5013554, 10027108, 20054216]

約数ペア:

[(1, 20054216), (2, 10027108), (4, 5013554), (7, 2864888), (8, 2506777), (13, 1542632), (14, 1432444), (26, 771316), (28, 716222), (52, 385658), (56, 358111), (91, 220376), (104, 192829), (163, 123032), (169, 118664), (182, 110188), (326, 61516), (338, 59332), (364, 55094), (652, 30758), (676, 29666), (728, 27547), (1141, 17576), (1183, 16952), (1304, 15379), (1352, 14833), (2119, 9464), (2197, 9128), (2282, 8788), (2366, 8476), (4238, 4732), (4394, 4564)]