20385993888

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{23369}}^1$

素因数の和:23631

約数の個数: 144

約数和(自身を含む): 62702738280

約数和(自身を除く): 42316744392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 233, 234, 288, 312, 416, 466, 468, 624, 699, 932, 936, 1248, 1398, 1864, 1872, 2097, 2796, 3029, 3728, 3744, 4194, 5592, 6058, 7456, 8388, 9087, 11184, 12116, 16776, 18174, 22368, 23369, 24232, 27261, 33552, 36348, 46738, 48464, 54522, 67104, 70107, 72696, 93476, 96928, 109044, 140214, 145392, 186952, 210321, 218088, 280428, 290784, 303797, 373904, 420642, 436176, 560856, 607594, 747808, 841284, 872352, 911391, 1121712, 1215188, 1682568, 1822782, 2243424, 2430376, 2734173, 3365136, 3645564, 4860752, 5444977, 5468346, 6730272, 7291128, 9721504, 10889954, 10936692, 14582256, 16334931, 21779908, 21873384, 29164512, 32669862, 43559816, 43746768, 49004793, 65339724, 70784701, 87119632, 87493536, 98009586, 130679448, 141569402, 174239264, 196019172, 212354103, 261358896, 283138804, 392038344, 424708206, 522717792, 566277608, 637062309, 784076688, 849416412, 1132555216, 1274124618, 1568153376, 1698832824, 2265110432, 2548249236, 3397665648, 5096498472, 6795331296, 10192996944, 20385993888]

約数ペア:

[(1, 20385993888), (2, 10192996944), (3, 6795331296), (4, 5096498472), (6, 3397665648), (8, 2548249236), (9, 2265110432), (12, 1698832824), (13, 1568153376), (16, 1274124618), (18, 1132555216), (24, 849416412), (26, 784076688), (32, 637062309), (36, 566277608), (39, 522717792), (48, 424708206), (52, 392038344), (72, 283138804), (78, 261358896), (96, 212354103), (104, 196019172), (117, 174239264), (144, 141569402), (156, 130679448), (208, 98009586), (233, 87493536), (234, 87119632), (288, 70784701), (312, 65339724), (416, 49004793), (466, 43746768), (468, 43559816), (624, 32669862), (699, 29164512), (932, 21873384), (936, 21779908), (1248, 16334931), (1398, 14582256), (1864, 10936692), (1872, 10889954), (2097, 9721504), (2796, 7291128), (3029, 6730272), (3728, 5468346), (3744, 5444977), (4194, 4860752), (5592, 3645564), (6058, 3365136), (7456, 2734173), (8388, 2430376), (9087, 2243424), (11184, 1822782), (12116, 1682568), (16776, 1215188), (18174, 1121712), (22368, 911391), (23369, 872352), (24232, 841284), (27261, 747808), (33552, 607594), (36348, 560856), (46738, 436176), (48464, 420642), (54522, 373904), (67104, 303797), (70107, 290784), (72696, 280428), (93476, 218088), (96928, 210321), (109044, 186952), (140214, 145392)]