20908260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 96

約数和(自身を含む): 67200000

約数和(自身を除く): 46291740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1249, 1395, 1674, 1860, 2498, 2790, 3348, 3747, 4185, 4996, 5580, 6245, 7494, 8370, 11241, 12490, 14988, 16740, 18735, 22482, 24980, 33723, 37470, 38719, 44964, 56205, 67446, 74940, 77438, 112410, 116157, 134892, 154876, 168615, 193595, 224820, 232314, 337230, 348471, 387190, 464628, 580785, 674460, 696942, 774380, 1045413, 1161570, 1393884, 1742355, 2090826, 2323140, 3484710, 4181652, 5227065, 6969420, 10454130, 20908260]

約数ペア:

[(1, 20908260), (2, 10454130), (3, 6969420), (4, 5227065), (5, 4181652), (6, 3484710), (9, 2323140), (10, 2090826), (12, 1742355), (15, 1393884), (18, 1161570), (20, 1045413), (27, 774380), (30, 696942), (31, 674460), (36, 580785), (45, 464628), (54, 387190), (60, 348471), (62, 337230), (90, 232314), (93, 224820), (108, 193595), (124, 168615), (135, 154876), (155, 134892), (180, 116157), (186, 112410), (270, 77438), (279, 74940), (310, 67446), (372, 56205), (465, 44964), (540, 38719), (558, 37470), (620, 33723), (837, 24980), (930, 22482), (1116, 18735), (1249, 16740), (1395, 14988), (1674, 12490), (1860, 11241), (2498, 8370), (2790, 7494), (3348, 6245), (3747, 5580), (4185, 4996)]