20237100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5219

約数の個数: 72

約数和(自身を含む): 63068880

約数和(自身を除く): 42831780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5189, 10378, 15567, 20756, 25945, 31134, 51890, 62268, 67457, 77835, 103780, 129725, 134914, 155670, 202371, 259450, 269828, 311340, 337285, 389175, 404742, 518900, 674570, 778350, 809484, 1011855, 1349140, 1556700, 1686425, 2023710, 3372850, 4047420, 5059275, 6745700, 10118550, 20237100]

約数ペア:

[(1, 20237100), (2, 10118550), (3, 6745700), (4, 5059275), (5, 4047420), (6, 3372850), (10, 2023710), (12, 1686425), (13, 1556700), (15, 1349140), (20, 1011855), (25, 809484), (26, 778350), (30, 674570), (39, 518900), (50, 404742), (52, 389175), (60, 337285), (65, 311340), (75, 269828), (78, 259450), (100, 202371), (130, 155670), (150, 134914), (156, 129725), (195, 103780), (260, 77835), (300, 67457), (325, 62268), (390, 51890), (650, 31134), (780, 25945), (975, 20756), (1300, 15567), (1950, 10378), (3900, 5189)]