20151800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5927}}^1$

素因数の和:5960

約数の個数: 48

約数和(自身を含む): 49617360

約数和(自身を除く): 29465560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5927, 11854, 23708, 29635, 47416, 59270, 100759, 118540, 148175, 201518, 237080, 296350, 403036, 503795, 592700, 806072, 1007590, 1185400, 2015180, 2518975, 4030360, 5037950, 10075900, 20151800]

約数ペア:

[(1, 20151800), (2, 10075900), (4, 5037950), (5, 4030360), (8, 2518975), (10, 2015180), (17, 1185400), (20, 1007590), (25, 806072), (34, 592700), (40, 503795), (50, 403036), (68, 296350), (85, 237080), (100, 201518), (136, 148175), (170, 118540), (200, 100759), (340, 59270), (425, 47416), (680, 29635), (850, 23708), (1700, 11854), (3400, 5927)]