20952984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67157}}^1$

素因数の和:67179

約数の個数: 32

約数和(自身を含む): 56412720

約数和(自身を除く): 35459736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67157, 134314, 201471, 268628, 402942, 537256, 805884, 873041, 1611768, 1746082, 2619123, 3492164, 5238246, 6984328, 10476492, 20952984]

約数ペア:

[(1, 20952984), (2, 10476492), (3, 6984328), (4, 5238246), (6, 3492164), (8, 2619123), (12, 1746082), (13, 1611768), (24, 873041), (26, 805884), (39, 537256), (52, 402942), (78, 268628), (104, 201471), (156, 134314), (312, 67157)]