20661264

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 120

約数和(自身を含む): 64445280

約数和(自身を除く): 43784016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 169, 208, 216, 234, 283, 312, 338, 351, 432, 468, 507, 566, 624, 676, 702, 849, 936, 1014, 1132, 1352, 1404, 1521, 1698, 1872, 2028, 2264, 2547, 2704, 2808, 3042, 3396, 3679, 4056, 4528, 4563, 5094, 5616, 6084, 6792, 7358, 7641, 8112, 9126, 10188, 11037, 12168, 13584, 14716, 15282, 18252, 20376, 22074, 24336, 29432, 30564, 33111, 36504, 40752, 44148, 47827, 58864, 61128, 66222, 73008, 88296, 95654, 99333, 122256, 132444, 143481, 176592, 191308, 198666, 264888, 286962, 382616, 397332, 430443, 529776, 573924, 765232, 794664, 860886, 1147848, 1291329, 1589328, 1721772, 2295696, 2582658, 3443544, 5165316, 6887088, 10330632, 20661264]

約数ペア:

[(1, 20661264), (2, 10330632), (3, 6887088), (4, 5165316), (6, 3443544), (8, 2582658), (9, 2295696), (12, 1721772), (13, 1589328), (16, 1291329), (18, 1147848), (24, 860886), (26, 794664), (27, 765232), (36, 573924), (39, 529776), (48, 430443), (52, 397332), (54, 382616), (72, 286962), (78, 264888), (104, 198666), (108, 191308), (117, 176592), (144, 143481), (156, 132444), (169, 122256), (208, 99333), (216, 95654), (234, 88296), (283, 73008), (312, 66222), (338, 61128), (351, 58864), (432, 47827), (468, 44148), (507, 40752), (566, 36504), (624, 33111), (676, 30564), (702, 29432), (849, 24336), (936, 22074), (1014, 20376), (1132, 18252), (1352, 15282), (1404, 14716), (1521, 13584), (1698, 12168), (1872, 11037), (2028, 10188), (2264, 9126), (2547, 8112), (2704, 7641), (2808, 7358), (3042, 6792), (3396, 6084), (3679, 5616), (4056, 5094), (4528, 4563)]