20287674

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 48597120

約数和(自身を除く): 28309446

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 79, 99, 158, 198, 237, 474, 711, 869, 1297, 1422, 1738, 2594, 2607, 3891, 5214, 7782, 7821, 11673, 14267, 15642, 23346, 28534, 42801, 85602, 102463, 128403, 204926, 256806, 307389, 614778, 922167, 1127093, 1844334, 2254186, 3381279, 6762558, 10143837, 20287674]

約数ペア:

[(1, 20287674), (2, 10143837), (3, 6762558), (6, 3381279), (9, 2254186), (11, 1844334), (18, 1127093), (22, 922167), (33, 614778), (66, 307389), (79, 256806), (99, 204926), (158, 128403), (198, 102463), (237, 85602), (474, 42801), (711, 28534), (869, 23346), (1297, 15642), (1422, 14267), (1738, 11673), (2594, 7821), (2607, 7782), (3891, 5214)]