20059325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 30331392

約数和(自身を除く): 10272067

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 181, 275, 325, 341, 403, 715, 775, 905, 1705, 1991, 2015, 2353, 3575, 4433, 4525, 5611, 8525, 9955, 10075, 11765, 22165, 25883, 28055, 49775, 58825, 61721, 72943, 110825, 129415, 140275, 308605, 364715, 647075, 802373, 1543025, 1823575, 4011865, 20059325]

約数ペア:

[(1, 20059325), (5, 4011865), (11, 1823575), (13, 1543025), (25, 802373), (31, 647075), (55, 364715), (65, 308605), (143, 140275), (155, 129415), (181, 110825), (275, 72943), (325, 61721), (341, 58825), (403, 49775), (715, 28055), (775, 25883), (905, 22165), (1705, 11765), (1991, 10075), (2015, 9955), (2353, 8525), (3575, 5611), (4433, 4525)]