20683877652

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{997}}^1\times {\mathrm{1409}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 52501885800

約数和(自身を除く): 31818008148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 997, 1227, 1409, 1636, 1994, 2454, 2818, 2991, 3681, 3988, 4227, 4908, 5636, 5982, 7362, 8454, 8973, 11964, 12681, 14724, 16908, 17946, 25362, 35892, 50724, 407773, 576281, 815546, 1152562, 1223319, 1404773, 1631092, 1728843, 2305124, 2446638, 2809546, 3457686, 3669957, 4214319, 4893276, 5186529, 5619092, 6915372, 7339914, 8428638, 10373058, 12642957, 14679828, 16857276, 20746116, 25285914, 50571828, 574552157, 1149104314, 1723656471, 2298208628, 3447312942, 5170969413, 6894625884, 10341938826, 20683877652]

約数ペア:

[(1, 20683877652), (2, 10341938826), (3, 6894625884), (4, 5170969413), (6, 3447312942), (9, 2298208628), (12, 1723656471), (18, 1149104314), (36, 574552157), (409, 50571828), (818, 25285914), (997, 20746116), (1227, 16857276), (1409, 14679828), (1636, 12642957), (1994, 10373058), (2454, 8428638), (2818, 7339914), (2991, 6915372), (3681, 5619092), (3988, 5186529), (4227, 4893276), (4908, 4214319), (5636, 3669957), (5982, 3457686), (7362, 2809546), (8454, 2446638), (8973, 2305124), (11964, 1728843), (12681, 1631092), (14724, 1404773), (16908, 1223319), (17946, 1152562), (25362, 815546), (35892, 576281), (50724, 407773)]