20120863000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2874409}}^1$

素因数の和:2874437

約数の個数: 64

約数和(自身を含む): 53808955200

約数和(自身を除く): 33688092200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 2874409, 5748818, 11497636, 14372045, 20120863, 22995272, 28744090, 40241726, 57488180, 71860225, 80483452, 100604315, 114976360, 143720450, 160966904, 201208630, 287440900, 359301125, 402417260, 503021575, 574881800, 718602250, 804834520, 1006043150, 1437204500, 2012086300, 2515107875, 2874409000, 4024172600, 5030215750, 10060431500, 20120863000]

約数ペア:

[(1, 20120863000), (2, 10060431500), (4, 5030215750), (5, 4024172600), (7, 2874409000), (8, 2515107875), (10, 2012086300), (14, 1437204500), (20, 1006043150), (25, 804834520), (28, 718602250), (35, 574881800), (40, 503021575), (50, 402417260), (56, 359301125), (70, 287440900), (100, 201208630), (125, 160966904), (140, 143720450), (175, 114976360), (200, 100604315), (250, 80483452), (280, 71860225), (350, 57488180), (500, 40241726), (700, 28744090), (875, 22995272), (1000, 20120863), (1400, 14372045), (1750, 11497636), (3500, 5748818), (7000, 2874409)]