20986024

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 43379100

約数和(自身を除く): 22393076

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 289, 313, 493, 578, 626, 986, 1156, 1252, 1972, 2312, 2504, 3944, 5321, 8381, 9077, 10642, 16762, 18154, 21284, 33524, 36308, 42568, 67048, 72616, 90457, 154309, 180914, 308618, 361828, 617236, 723656, 1234472, 2623253, 5246506, 10493012, 20986024]

約数ペア:

[(1, 20986024), (2, 10493012), (4, 5246506), (8, 2623253), (17, 1234472), (29, 723656), (34, 617236), (58, 361828), (68, 308618), (116, 180914), (136, 154309), (232, 90457), (289, 72616), (313, 67048), (493, 42568), (578, 36308), (626, 33524), (986, 21284), (1156, 18154), (1252, 16762), (1972, 10642), (2312, 9077), (2504, 8381), (3944, 5321)]