20193750

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{359}}^1$

素因数の和:392

約数の個数: 72

約数和(自身を含む): 54840240

約数和(自身を除く): 34646490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 359, 375, 450, 625, 718, 750, 1077, 1125, 1250, 1795, 1875, 2154, 2250, 3125, 3231, 3590, 3750, 5385, 5625, 6250, 6462, 8975, 9375, 10770, 11250, 16155, 17950, 18750, 26925, 28125, 32310, 44875, 53850, 56250, 80775, 89750, 134625, 161550, 224375, 269250, 403875, 448750, 673125, 807750, 1121875, 1346250, 2019375, 2243750, 3365625, 4038750, 6731250, 10096875, 20193750]

約数ペア:

[(1, 20193750), (2, 10096875), (3, 6731250), (5, 4038750), (6, 3365625), (9, 2243750), (10, 2019375), (15, 1346250), (18, 1121875), (25, 807750), (30, 673125), (45, 448750), (50, 403875), (75, 269250), (90, 224375), (125, 161550), (150, 134625), (225, 89750), (250, 80775), (359, 56250), (375, 53850), (450, 44875), (625, 32310), (718, 28125), (750, 26925), (1077, 18750), (1125, 17950), (1250, 16155), (1795, 11250), (1875, 10770), (2154, 9375), (2250, 8975), (3125, 6462), (3231, 6250), (3590, 5625), (3750, 5385)]