20170048820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{165247}}^1$

素因数の和:165632

約数の個数: 48

約数和(自身を含む): 44973895680

約数和(自身を除く): 24803846860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 359, 718, 1436, 1795, 3590, 6103, 7180, 12206, 24412, 30515, 61030, 122060, 165247, 330494, 660988, 826235, 1652470, 2809199, 3304940, 5618398, 11236796, 14045995, 28091990, 56183980, 59323673, 118647346, 237294692, 296618365, 593236730, 1008502441, 1186473460, 2017004882, 4034009764, 5042512205, 10085024410, 20170048820]

約数ペア:

[(1, 20170048820), (2, 10085024410), (4, 5042512205), (5, 4034009764), (10, 2017004882), (17, 1186473460), (20, 1008502441), (34, 593236730), (68, 296618365), (85, 237294692), (170, 118647346), (340, 59323673), (359, 56183980), (718, 28091990), (1436, 14045995), (1795, 11236796), (3590, 5618398), (6103, 3304940), (7180, 2809199), (12206, 1652470), (24412, 826235), (30515, 660988), (61030, 330494), (122060, 165247)]