20635076

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 48607776

約数和(自身を除く): 27972700

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 563, 748, 833, 1078, 1126, 1309, 1666, 2156, 2252, 2618, 3332, 3941, 5236, 6193, 7882, 9163, 9571, 12386, 15764, 18326, 19142, 24772, 27587, 36652, 38284, 43351, 55174, 66997, 86702, 105281, 110348, 133994, 173404, 210562, 267988, 303457, 421124, 468979, 606914, 736967, 937958, 1213828, 1473934, 1875916, 2947868, 5158769, 10317538, 20635076]

約数ペア:

[(1, 20635076), (2, 10317538), (4, 5158769), (7, 2947868), (11, 1875916), (14, 1473934), (17, 1213828), (22, 937958), (28, 736967), (34, 606914), (44, 468979), (49, 421124), (68, 303457), (77, 267988), (98, 210562), (119, 173404), (154, 133994), (187, 110348), (196, 105281), (238, 86702), (308, 66997), (374, 55174), (476, 43351), (539, 38284), (563, 36652), (748, 27587), (833, 24772), (1078, 19142), (1126, 18326), (1309, 15764), (1666, 12386), (2156, 9571), (2252, 9163), (2618, 7882), (3332, 6193), (3941, 5236)]