20287116

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{4987}}^1$

素因数の和:5110

約数の個数: 36

約数和(自身を含む): 51745512

約数和(自身を除く): 31458396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 4987, 9974, 14961, 19948, 29922, 44883, 59844, 89766, 179532, 563531, 1127062, 1690593, 2254124, 3381186, 5071779, 6762372, 10143558, 20287116]

約数ペア:

[(1, 20287116), (2, 10143558), (3, 6762372), (4, 5071779), (6, 3381186), (9, 2254124), (12, 1690593), (18, 1127062), (36, 563531), (113, 179532), (226, 89766), (339, 59844), (452, 44883), (678, 29922), (1017, 19948), (1356, 14961), (2034, 9974), (4068, 4987)]