20216864

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10357}}^1$

素因数の和:10428

約数の個数: 24

約数和(自身を含む): 40458348

約数和(自身を除く): 20241484

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10357, 20714, 41428, 82856, 165712, 331424, 631777, 1263554, 2527108, 5054216, 10108432, 20216864]

約数ペア:

[(1, 20216864), (2, 10108432), (4, 5054216), (8, 2527108), (16, 1263554), (32, 631777), (61, 331424), (122, 165712), (244, 82856), (488, 41428), (976, 20714), (1952, 10357)]