20480148

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 38790252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 503, 522, 702, 754, 783, 1006, 1044, 1131, 1404, 1508, 1509, 1566, 2012, 2262, 3018, 3132, 3393, 4524, 4527, 6036, 6539, 6786, 9054, 10179, 13078, 13572, 13581, 14587, 18108, 19617, 20358, 26156, 27162, 29174, 39234, 40716, 43761, 54324, 58348, 58851, 78468, 87522, 117702, 131283, 175044, 176553, 189631, 235404, 262566, 353106, 379262, 393849, 525132, 568893, 706212, 758524, 787698, 1137786, 1575396, 1706679, 2275572, 3413358, 5120037, 6826716, 10240074, 20480148]

約数ペア:

[(1, 20480148), (2, 10240074), (3, 6826716), (4, 5120037), (6, 3413358), (9, 2275572), (12, 1706679), (13, 1575396), (18, 1137786), (26, 787698), (27, 758524), (29, 706212), (36, 568893), (39, 525132), (52, 393849), (54, 379262), (58, 353106), (78, 262566), (87, 235404), (108, 189631), (116, 176553), (117, 175044), (156, 131283), (174, 117702), (234, 87522), (261, 78468), (348, 58851), (351, 58348), (377, 54324), (468, 43761), (503, 40716), (522, 39234), (702, 29174), (754, 27162), (783, 26156), (1006, 20358), (1044, 19617), (1131, 18108), (1404, 14587), (1508, 13581), (1509, 13572), (1566, 13078), (2012, 10179), (2262, 9054), (3018, 6786), (3132, 6539), (3393, 6036), (4524, 4527)]