20212432880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1\times {\mathrm{9283}}^1$

素因数の和:10914

約数の個数: 80

約数和(自身を含む): 49794696864

約数和(自身を除く): 29582263984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1601, 3202, 6404, 8005, 9283, 12808, 16010, 18566, 25616, 27217, 32020, 37132, 46415, 54434, 64040, 74264, 92830, 108868, 128080, 136085, 148528, 157811, 185660, 217736, 272170, 315622, 371320, 435472, 544340, 631244, 742640, 789055, 1088680, 1262488, 1578110, 2177360, 2524976, 3156220, 6312440, 12624880, 14862083, 29724166, 59448332, 74310415, 118896664, 148620830, 237793328, 252655411, 297241660, 505310822, 594483320, 1010621644, 1188966640, 1263277055, 2021243288, 2526554110, 4042486576, 5053108220, 10106216440, 20212432880]

約数ペア:

[(1, 20212432880), (2, 10106216440), (4, 5053108220), (5, 4042486576), (8, 2526554110), (10, 2021243288), (16, 1263277055), (17, 1188966640), (20, 1010621644), (34, 594483320), (40, 505310822), (68, 297241660), (80, 252655411), (85, 237793328), (136, 148620830), (170, 118896664), (272, 74310415), (340, 59448332), (680, 29724166), (1360, 14862083), (1601, 12624880), (3202, 6312440), (6404, 3156220), (8005, 2524976), (9283, 2177360), (12808, 1578110), (16010, 1262488), (18566, 1088680), (25616, 789055), (27217, 742640), (32020, 631244), (37132, 544340), (46415, 435472), (54434, 371320), (64040, 315622), (74264, 272170), (92830, 217736), (108868, 185660), (128080, 157811), (136085, 148528)]