20613852

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 63016800

約数和(自身を除く): 42402948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 149, 162, 183, 189, 244, 252, 298, 324, 366, 378, 427, 447, 549, 567, 596, 732, 756, 854, 894, 1043, 1098, 1134, 1281, 1341, 1647, 1708, 1788, 2086, 2196, 2268, 2562, 2682, 3129, 3294, 3843, 4023, 4172, 4941, 5124, 5364, 6258, 6588, 7686, 8046, 9089, 9387, 9882, 11529, 12069, 12516, 15372, 16092, 18178, 18774, 19764, 23058, 24138, 27267, 28161, 34587, 36356, 37548, 46116, 48276, 54534, 56322, 63623, 69174, 81801, 84483, 109068, 112644, 127246, 138348, 163602, 168966, 190869, 245403, 254492, 327204, 337932, 381738, 490806, 572607, 736209, 763476, 981612, 1145214, 1472418, 1717821, 2290428, 2944836, 3435642, 5153463, 6871284, 10306926, 20613852]

約数ペア:

[(1, 20613852), (2, 10306926), (3, 6871284), (4, 5153463), (6, 3435642), (7, 2944836), (9, 2290428), (12, 1717821), (14, 1472418), (18, 1145214), (21, 981612), (27, 763476), (28, 736209), (36, 572607), (42, 490806), (54, 381738), (61, 337932), (63, 327204), (81, 254492), (84, 245403), (108, 190869), (122, 168966), (126, 163602), (149, 138348), (162, 127246), (183, 112644), (189, 109068), (244, 84483), (252, 81801), (298, 69174), (324, 63623), (366, 56322), (378, 54534), (427, 48276), (447, 46116), (549, 37548), (567, 36356), (596, 34587), (732, 28161), (756, 27267), (854, 24138), (894, 23058), (1043, 19764), (1098, 18774), (1134, 18178), (1281, 16092), (1341, 15372), (1647, 12516), (1708, 12069), (1788, 11529), (2086, 9882), (2196, 9387), (2268, 9089), (2562, 8046), (2682, 7686), (3129, 6588), (3294, 6258), (3843, 5364), (4023, 5124), (4172, 4941)]