20912724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 62386688

約数和(自身を除く): 41473964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2677, 3906, 5354, 7812, 8031, 10708, 16062, 18739, 24093, 32124, 37478, 48186, 56217, 74956, 82987, 96372, 112434, 165974, 168651, 224868, 248961, 331948, 337302, 497922, 580909, 674604, 746883, 995844, 1161818, 1493766, 1742727, 2323636, 2987532, 3485454, 5228181, 6970908, 10456362, 20912724]

約数ペア:

[(1, 20912724), (2, 10456362), (3, 6970908), (4, 5228181), (6, 3485454), (7, 2987532), (9, 2323636), (12, 1742727), (14, 1493766), (18, 1161818), (21, 995844), (28, 746883), (31, 674604), (36, 580909), (42, 497922), (62, 337302), (63, 331948), (84, 248961), (93, 224868), (124, 168651), (126, 165974), (186, 112434), (217, 96372), (252, 82987), (279, 74956), (372, 56217), (434, 48186), (558, 37478), (651, 32124), (868, 24093), (1116, 18739), (1302, 16062), (1953, 10708), (2604, 8031), (2677, 7812), (3906, 5354)]