20935624

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 40269600

約数和(自身を除く): 19333976

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 281, 536, 556, 562, 1112, 1124, 2248, 9313, 18626, 18827, 37252, 37654, 39059, 74504, 75308, 78118, 150616, 156236, 312472, 2616953, 5233906, 10467812, 20935624]

約数ペア:

[(1, 20935624), (2, 10467812), (4, 5233906), (8, 2616953), (67, 312472), (134, 156236), (139, 150616), (268, 78118), (278, 75308), (281, 74504), (536, 39059), (556, 37654), (562, 37252), (1112, 18827), (1124, 18626), (2248, 9313)]