20187325600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1941089}}^1$

素因数の和:1941122

約数の個数: 72

約数和(自身を含む): 53073282780

約数和(自身を除く): 32885957180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 1941089, 3882178, 7764356, 9705445, 15528712, 19410890, 25234157, 31057424, 38821780, 48527225, 50468314, 62114848, 77643560, 97054450, 100936628, 126170785, 155287120, 194108900, 201873256, 252341570, 310574240, 388217800, 403746512, 504683140, 630853925, 776435600, 807493024, 1009366280, 1261707850, 1552871200, 2018732560, 2523415700, 4037465120, 5046831400, 10093662800, 20187325600]

約数ペア:

[(1, 20187325600), (2, 10093662800), (4, 5046831400), (5, 4037465120), (8, 2523415700), (10, 2018732560), (13, 1552871200), (16, 1261707850), (20, 1009366280), (25, 807493024), (26, 776435600), (32, 630853925), (40, 504683140), (50, 403746512), (52, 388217800), (65, 310574240), (80, 252341570), (100, 201873256), (104, 194108900), (130, 155287120), (160, 126170785), (200, 100936628), (208, 97054450), (260, 77643560), (325, 62114848), (400, 50468314), (416, 48527225), (520, 38821780), (650, 31057424), (800, 25234157), (1040, 19410890), (1300, 15528712), (2080, 9705445), (2600, 7764356), (5200, 3882178), (10400, 1941089)]