20781036

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2116

約数の個数: 60

約数和(自身を含む): 56105280

約数和(自身を除く): 35324244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2069, 2511, 3348, 4138, 5022, 6207, 8276, 10044, 12414, 18621, 24828, 37242, 55863, 64139, 74484, 111726, 128278, 167589, 192417, 223452, 256556, 335178, 384834, 577251, 670356, 769668, 1154502, 1731753, 2309004, 3463506, 5195259, 6927012, 10390518, 20781036]

約数ペア:

[(1, 20781036), (2, 10390518), (3, 6927012), (4, 5195259), (6, 3463506), (9, 2309004), (12, 1731753), (18, 1154502), (27, 769668), (31, 670356), (36, 577251), (54, 384834), (62, 335178), (81, 256556), (93, 223452), (108, 192417), (124, 167589), (162, 128278), (186, 111726), (279, 74484), (324, 64139), (372, 55863), (558, 37242), (837, 24828), (1116, 18621), (1674, 12414), (2069, 10044), (2511, 8276), (3348, 6207), (4138, 5022)]