20739012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1657}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 55708800

約数和(自身を除く): 34969788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1657, 1788, 2086, 3129, 3314, 4172, 4971, 6258, 6628, 9942, 11599, 12516, 19884, 23198, 34797, 46396, 69594, 139188, 246893, 493786, 740679, 987572, 1481358, 1728251, 2962716, 3456502, 5184753, 6913004, 10369506, 20739012]

約数ペア:

[(1, 20739012), (2, 10369506), (3, 6913004), (4, 5184753), (6, 3456502), (7, 2962716), (12, 1728251), (14, 1481358), (21, 987572), (28, 740679), (42, 493786), (84, 246893), (149, 139188), (298, 69594), (447, 46396), (596, 34797), (894, 23198), (1043, 19884), (1657, 12516), (1788, 11599), (2086, 9942), (3129, 6628), (3314, 6258), (4172, 4971)]