20512030190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{70201}}^1$

素因数の和:70748

約数の個数: 32

約数和(自身を含む): 37605807360

約数和(自身を除く): 17093777170

約数列:

[1, 2, 5, 10, 61, 122, 305, 479, 610, 958, 2395, 4790, 29219, 58438, 70201, 140402, 146095, 292190, 351005, 702010, 4282261, 8564522, 21411305, 33626279, 42822610, 67252558, 168131395, 336262790, 2051203019, 4102406038, 10256015095, 20512030190]

約数ペア:

[(1, 20512030190), (2, 10256015095), (5, 4102406038), (10, 2051203019), (61, 336262790), (122, 168131395), (305, 67252558), (479, 42822610), (610, 33626279), (958, 21411305), (2395, 8564522), (4790, 4282261), (29219, 702010), (58438, 351005), (70201, 292190), (140402, 146095)]