20997816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{124987}}^1$

素因数の和:125003

約数の個数: 32

約数和(自身を含む): 59994240

約数和(自身を除く): 38996424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 124987, 249974, 374961, 499948, 749922, 874909, 999896, 1499844, 1749818, 2624727, 2999688, 3499636, 5249454, 6999272, 10498908, 20997816]

約数ペア:

[(1, 20997816), (2, 10498908), (3, 6999272), (4, 5249454), (6, 3499636), (7, 2999688), (8, 2624727), (12, 1749818), (14, 1499844), (21, 999896), (24, 874909), (28, 749922), (42, 499948), (56, 374961), (84, 249974), (168, 124987)]