20190768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 59906880

約数和(自身を除く): 39716112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 131, 152, 156, 169, 208, 228, 247, 262, 304, 312, 338, 393, 456, 494, 507, 524, 624, 676, 741, 786, 912, 988, 1014, 1048, 1352, 1482, 1572, 1703, 1976, 2028, 2096, 2489, 2704, 2964, 3144, 3211, 3406, 3952, 4056, 4978, 5109, 5928, 6288, 6422, 6812, 7467, 8112, 9633, 9956, 10218, 11856, 12844, 13624, 14934, 19266, 19912, 20436, 22139, 25688, 27248, 29868, 32357, 38532, 39824, 40872, 44278, 51376, 59736, 64714, 66417, 77064, 81744, 88556, 97071, 119472, 129428, 132834, 154128, 177112, 194142, 258856, 265668, 354224, 388284, 420641, 517712, 531336, 776568, 841282, 1062672, 1261923, 1553136, 1682564, 2523846, 3365128, 5047692, 6730256, 10095384, 20190768]

約数ペア:

[(1, 20190768), (2, 10095384), (3, 6730256), (4, 5047692), (6, 3365128), (8, 2523846), (12, 1682564), (13, 1553136), (16, 1261923), (19, 1062672), (24, 841282), (26, 776568), (38, 531336), (39, 517712), (48, 420641), (52, 388284), (57, 354224), (76, 265668), (78, 258856), (104, 194142), (114, 177112), (131, 154128), (152, 132834), (156, 129428), (169, 119472), (208, 97071), (228, 88556), (247, 81744), (262, 77064), (304, 66417), (312, 64714), (338, 59736), (393, 51376), (456, 44278), (494, 40872), (507, 39824), (524, 38532), (624, 32357), (676, 29868), (741, 27248), (786, 25688), (912, 22139), (988, 20436), (1014, 19912), (1048, 19266), (1352, 14934), (1482, 13624), (1572, 12844), (1703, 11856), (1976, 10218), (2028, 9956), (2096, 9633), (2489, 8112), (2704, 7467), (2964, 6812), (3144, 6422), (3211, 6288), (3406, 5928), (3952, 5109), (4056, 4978)]