20380464

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 46281936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 144, 152, 156, 171, 191, 208, 216, 228, 234, 247, 304, 312, 342, 351, 382, 432, 456, 468, 494, 513, 573, 624, 684, 702, 741, 764, 912, 936, 988, 1026, 1146, 1368, 1404, 1482, 1528, 1719, 1872, 1976, 2052, 2223, 2292, 2483, 2736, 2808, 2964, 3056, 3438, 3629, 3952, 4104, 4446, 4584, 4966, 5157, 5616, 5928, 6669, 6876, 7258, 7449, 8208, 8892, 9168, 9932, 10314, 10887, 11856, 13338, 13752, 14516, 14898, 17784, 19864, 20628, 21774, 22347, 26676, 27504, 29032, 29796, 32661, 35568, 39728, 41256, 43548, 44694, 47177, 53352, 58064, 59592, 65322, 67041, 82512, 87096, 89388, 94354, 97983, 106704, 119184, 130644, 134082, 141531, 174192, 178776, 188708, 195966, 261288, 268164, 283062, 357552, 377416, 391932, 424593, 522576, 536328, 566124, 754832, 783864, 849186, 1072656, 1132248, 1273779, 1567728, 1698372, 2264496, 2547558, 3396744, 5095116, 6793488, 10190232, 20380464]

約数ペア:

[(1, 20380464), (2, 10190232), (3, 6793488), (4, 5095116), (6, 3396744), (8, 2547558), (9, 2264496), (12, 1698372), (13, 1567728), (16, 1273779), (18, 1132248), (19, 1072656), (24, 849186), (26, 783864), (27, 754832), (36, 566124), (38, 536328), (39, 522576), (48, 424593), (52, 391932), (54, 377416), (57, 357552), (72, 283062), (76, 268164), (78, 261288), (104, 195966), (108, 188708), (114, 178776), (117, 174192), (144, 141531), (152, 134082), (156, 130644), (171, 119184), (191, 106704), (208, 97983), (216, 94354), (228, 89388), (234, 87096), (247, 82512), (304, 67041), (312, 65322), (342, 59592), (351, 58064), (382, 53352), (432, 47177), (456, 44694), (468, 43548), (494, 41256), (513, 39728), (573, 35568), (624, 32661), (684, 29796), (702, 29032), (741, 27504), (764, 26676), (912, 22347), (936, 21774), (988, 20628), (1026, 19864), (1146, 17784), (1368, 14898), (1404, 14516), (1482, 13752), (1528, 13338), (1719, 11856), (1872, 10887), (1976, 10314), (2052, 9932), (2223, 9168), (2292, 8892), (2483, 8208), (2736, 7449), (2808, 7258), (2964, 6876), (3056, 6669), (3438, 5928), (3629, 5616), (3952, 5157), (4104, 4966), (4446, 4584)]