20944863728

素因数分解:

$2^4\times {\mathrm{1439}}^1\times {\mathrm{909697}}^1$

素因数の和:911144

約数の個数: 20

約数和(自身を含む): 40608918720

約数和(自身を除く): 19664054992

約数列:

[1, 2, 4, 8, 16, 1439, 2878, 5756, 11512, 23024, 909697, 1819394, 3638788, 7277576, 14555152, 1309053983, 2618107966, 5236215932, 10472431864, 20944863728]

約数ペア:

[(1, 20944863728), (2, 10472431864), (4, 5236215932), (8, 2618107966), (16, 1309053983), (1439, 14555152), (2878, 7277576), (5756, 3638788), (11512, 1819394), (23024, 909697)]