20512125225

素因数分解:

$3^2\times 5^2\times {\mathrm{2917}}^1\times {\mathrm{31253}}^1$

素因数の和:34186

約数の個数: 36

約数和(自身を含む): 36753266316

約数和(自身を除く): 16241141091

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2917, 8751, 14585, 26253, 31253, 43755, 72925, 93759, 131265, 156265, 218775, 281277, 468795, 656325, 781325, 1406385, 2343975, 7031925, 91165001, 273495003, 455825005, 820485009, 1367475015, 2279125025, 4102425045, 6837375075, 20512125225]

約数ペア:

[(1, 20512125225), (3, 6837375075), (5, 4102425045), (9, 2279125025), (15, 1367475015), (25, 820485009), (45, 455825005), (75, 273495003), (225, 91165001), (2917, 7031925), (8751, 2343975), (14585, 1406385), (26253, 781325), (31253, 656325), (43755, 468795), (72925, 281277), (93759, 218775), (131265, 156265)]