20248072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10285

約数の個数: 32

約数和(自身を含む): 43041600

約数和(自身を除く): 22793528

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10247, 20494, 40988, 81976, 133211, 194693, 266422, 389386, 532844, 778772, 1065688, 1557544, 2531009, 5062018, 10124036, 20248072]

約数ペア:

[(1, 20248072), (2, 10124036), (4, 5062018), (8, 2531009), (13, 1557544), (19, 1065688), (26, 778772), (38, 532844), (52, 389386), (76, 266422), (104, 194693), (152, 133211), (247, 81976), (494, 40988), (988, 20494), (1976, 10247)]