20413596

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 35606004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 233, 294, 298, 447, 466, 588, 596, 699, 894, 932, 1043, 1398, 1631, 1788, 2086, 2796, 3129, 3262, 4172, 4893, 6258, 6524, 7301, 9786, 11417, 12516, 14602, 19572, 21903, 22834, 29204, 34251, 34717, 43806, 45668, 68502, 69434, 87612, 104151, 137004, 138868, 208302, 243019, 416604, 486038, 729057, 972076, 1458114, 1701133, 2916228, 3402266, 5103399, 6804532, 10206798, 20413596]

約数ペア:

[(1, 20413596), (2, 10206798), (3, 6804532), (4, 5103399), (6, 3402266), (7, 2916228), (12, 1701133), (14, 1458114), (21, 972076), (28, 729057), (42, 486038), (49, 416604), (84, 243019), (98, 208302), (147, 138868), (149, 137004), (196, 104151), (233, 87612), (294, 69434), (298, 68502), (447, 45668), (466, 43806), (588, 34717), (596, 34251), (699, 29204), (894, 22834), (932, 21903), (1043, 19572), (1398, 14602), (1631, 12516), (1788, 11417), (2086, 9786), (2796, 7301), (3129, 6524), (3262, 6258), (4172, 4893)]