20120176860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47905183}}^1$

素因数の和:47905202

約数の個数: 48

約数和(自身を含む): 64384567296

約数和(自身を除く): 44264390436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47905183, 95810366, 143715549, 191620732, 239525915, 287431098, 335336281, 479051830, 574862196, 670672562, 718577745, 958103660, 1006008843, 1341345124, 1437155490, 1676681405, 2012017686, 2874310980, 3353362810, 4024035372, 5030044215, 6706725620, 10060088430, 20120176860]

約数ペア:

[(1, 20120176860), (2, 10060088430), (3, 6706725620), (4, 5030044215), (5, 4024035372), (6, 3353362810), (7, 2874310980), (10, 2012017686), (12, 1676681405), (14, 1437155490), (15, 1341345124), (20, 1006008843), (21, 958103660), (28, 718577745), (30, 670672562), (35, 574862196), (42, 479051830), (60, 335336281), (70, 287431098), (84, 239525915), (105, 191620732), (140, 143715549), (210, 95810366), (420, 47905183)]