20315152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{683}}^1$

素因数の和:728

約数の個数: 60

約数和(自身を含む): 46563984

約数和(自身を除く): 26248832

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 683, 1144, 1352, 1366, 1859, 2288, 2704, 2732, 3718, 5464, 7436, 7513, 8879, 10928, 14872, 15026, 17758, 29744, 30052, 35516, 60104, 71032, 97669, 115427, 120208, 142064, 195338, 230854, 390676, 461708, 781352, 923416, 1269697, 1562704, 1846832, 2539394, 5078788, 10157576, 20315152]

約数ペア:

[(1, 20315152), (2, 10157576), (4, 5078788), (8, 2539394), (11, 1846832), (13, 1562704), (16, 1269697), (22, 923416), (26, 781352), (44, 461708), (52, 390676), (88, 230854), (104, 195338), (143, 142064), (169, 120208), (176, 115427), (208, 97669), (286, 71032), (338, 60104), (572, 35516), (676, 30052), (683, 29744), (1144, 17758), (1352, 15026), (1366, 14872), (1859, 10928), (2288, 8879), (2704, 7513), (2732, 7436), (3718, 5464)]