20475173600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3656281}}^1$

素因数の和:3656308

約数の個数: 72

約数和(自身を含む): 57125749968

約数和(自身を除く): 36650576368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 3656281, 7312562, 14625124, 18281405, 25593967, 29250248, 36562810, 51187934, 58500496, 73125620, 91407025, 102375868, 117000992, 127969835, 146251240, 182814050, 204751736, 255939670, 292502480, 365628100, 409503472, 511879340, 585004960, 639849175, 731256200, 819006944, 1023758680, 1279698350, 1462512400, 2047517360, 2559396700, 2925024800, 4095034720, 5118793400, 10237586800, 20475173600]

約数ペア:

[(1, 20475173600), (2, 10237586800), (4, 5118793400), (5, 4095034720), (7, 2925024800), (8, 2559396700), (10, 2047517360), (14, 1462512400), (16, 1279698350), (20, 1023758680), (25, 819006944), (28, 731256200), (32, 639849175), (35, 585004960), (40, 511879340), (50, 409503472), (56, 365628100), (70, 292502480), (80, 255939670), (100, 204751736), (112, 182814050), (140, 146251240), (160, 127969835), (175, 117000992), (200, 102375868), (224, 91407025), (280, 73125620), (350, 58500496), (400, 51187934), (560, 36562810), (700, 29250248), (800, 25593967), (1120, 18281405), (1400, 14625124), (2800, 7312562), (5600, 3656281)]