20071428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128663}}^1$

素因数の和:128683

約数の個数: 24

約数和(自身を含む): 50436288

約数和(自身を除く): 30364860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128663, 257326, 385989, 514652, 771978, 1543956, 1672619, 3345238, 5017857, 6690476, 10035714, 20071428]

約数ペア:

[(1, 20071428), (2, 10035714), (3, 6690476), (4, 5017857), (6, 3345238), (12, 1672619), (13, 1543956), (26, 771978), (39, 514652), (52, 385989), (78, 257326), (156, 128663)]