20187599750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4250021}}^1$

素因数の和:4250057

約数の個数: 32

約数和(自身を含む): 39780205920

約数和(自身を除く): 19592606170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 4250021, 8500042, 21250105, 42500210, 80750399, 106250525, 161500798, 212501050, 403751995, 531252625, 807503990, 1062505250, 2018759975, 4037519950, 10093799875, 20187599750]

約数ペア:

[(1, 20187599750), (2, 10093799875), (5, 4037519950), (10, 2018759975), (19, 1062505250), (25, 807503990), (38, 531252625), (50, 403751995), (95, 212501050), (125, 161500798), (190, 106250525), (250, 80750399), (475, 42500210), (950, 21250105), (2375, 8500042), (4750, 4250021)]