20939424

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40024416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 79, 88, 96, 132, 158, 176, 237, 251, 264, 316, 352, 474, 502, 528, 632, 753, 869, 948, 1004, 1056, 1264, 1506, 1738, 1896, 2008, 2528, 2607, 2761, 3012, 3476, 3792, 4016, 5214, 5522, 6024, 6952, 7584, 8032, 8283, 10428, 11044, 12048, 13904, 16566, 19829, 20856, 22088, 24096, 27808, 33132, 39658, 41712, 44176, 59487, 66264, 79316, 83424, 88352, 118974, 132528, 158632, 218119, 237948, 265056, 317264, 436238, 475896, 634528, 654357, 872476, 951792, 1308714, 1744952, 1903584, 2617428, 3489904, 5234856, 6979808, 10469712, 20939424]

約数ペア:

[(1, 20939424), (2, 10469712), (3, 6979808), (4, 5234856), (6, 3489904), (8, 2617428), (11, 1903584), (12, 1744952), (16, 1308714), (22, 951792), (24, 872476), (32, 654357), (33, 634528), (44, 475896), (48, 436238), (66, 317264), (79, 265056), (88, 237948), (96, 218119), (132, 158632), (158, 132528), (176, 118974), (237, 88352), (251, 83424), (264, 79316), (316, 66264), (352, 59487), (474, 44176), (502, 41712), (528, 39658), (632, 33132), (753, 27808), (869, 24096), (948, 22088), (1004, 20856), (1056, 19829), (1264, 16566), (1506, 13904), (1738, 12048), (1896, 11044), (2008, 10428), (2528, 8283), (2607, 8032), (2761, 7584), (3012, 6952), (3476, 6024), (3792, 5522), (4016, 5214)]