20901122760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24882289}}^1$

素因数の和:24882310

約数の個数: 64

約数和(自身を含む): 71660995200

約数和(自身を除く): 50759872440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24882289, 49764578, 74646867, 99529156, 124411445, 149293734, 174176023, 199058312, 248822890, 298587468, 348352046, 373234335, 497645780, 522528069, 597174936, 696704092, 746468670, 870880115, 995291560, 1045056138, 1393408184, 1492937340, 1741760230, 2090112276, 2612640345, 2985874680, 3483520460, 4180224552, 5225280690, 6967040920, 10450561380, 20901122760]

約数ペア:

[(1, 20901122760), (2, 10450561380), (3, 6967040920), (4, 5225280690), (5, 4180224552), (6, 3483520460), (7, 2985874680), (8, 2612640345), (10, 2090112276), (12, 1741760230), (14, 1492937340), (15, 1393408184), (20, 1045056138), (21, 995291560), (24, 870880115), (28, 746468670), (30, 696704092), (35, 597174936), (40, 522528069), (42, 497645780), (56, 373234335), (60, 348352046), (70, 298587468), (84, 248822890), (105, 199058312), (120, 174176023), (140, 149293734), (168, 124411445), (210, 99529156), (280, 74646867), (420, 49764578), (840, 24882289)]