20158871820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{12791}}^1\times {\mathrm{26267}}^1$

素因数の和:39070

約数の個数: 48

約数和(自身を含む): 56451403008

約数和(自身を除く): 36292531188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 12791, 25582, 26267, 38373, 51164, 52534, 63955, 76746, 78801, 105068, 127910, 131335, 153492, 157602, 191865, 255820, 262670, 315204, 383730, 394005, 525340, 767460, 788010, 1576020, 335981197, 671962394, 1007943591, 1343924788, 1679905985, 2015887182, 3359811970, 4031774364, 5039717955, 6719623940, 10079435910, 20158871820]

約数ペア:

[(1, 20158871820), (2, 10079435910), (3, 6719623940), (4, 5039717955), (5, 4031774364), (6, 3359811970), (10, 2015887182), (12, 1679905985), (15, 1343924788), (20, 1007943591), (30, 671962394), (60, 335981197), (12791, 1576020), (25582, 788010), (26267, 767460), (38373, 525340), (51164, 394005), (52534, 383730), (63955, 315204), (76746, 262670), (78801, 255820), (105068, 191865), (127910, 157602), (131335, 153492)]