20398566

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 42257376

約数和(自身を除く): 21858810

約数列:

[1, 2, 3, 6, 41, 82, 101, 123, 202, 246, 303, 606, 821, 1642, 2463, 4141, 4926, 8282, 12423, 24846, 33661, 67322, 82921, 100983, 165842, 201966, 248763, 497526, 3399761, 6799522, 10199283, 20398566]

約数ペア:

[(1, 20398566), (2, 10199283), (3, 6799522), (6, 3399761), (41, 497526), (82, 248763), (101, 201966), (123, 165842), (202, 100983), (246, 82921), (303, 67322), (606, 33661), (821, 24846), (1642, 12423), (2463, 8282), (4141, 4926)]