20403012

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4957}}^1$

素因数の和:4985

約数の個数: 48

約数和(自身を含む): 55529600

約数和(自身を除く): 35126588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4957, 9914, 14871, 19828, 29742, 34699, 59484, 69398, 104097, 138796, 208194, 242893, 416388, 485786, 728679, 971572, 1457358, 1700251, 2914716, 3400502, 5100753, 6801004, 10201506, 20403012]

約数ペア:

[(1, 20403012), (2, 10201506), (3, 6801004), (4, 5100753), (6, 3400502), (7, 2914716), (12, 1700251), (14, 1457358), (21, 971572), (28, 728679), (42, 485786), (49, 416388), (84, 242893), (98, 208194), (147, 138796), (196, 104097), (294, 69398), (343, 59484), (588, 34699), (686, 29742), (1029, 19828), (1372, 14871), (2058, 9914), (4116, 4957)]