20773640

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{839}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 26098360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 839, 1238, 1678, 2476, 3095, 3356, 4195, 4952, 6190, 6712, 8390, 12380, 16780, 24760, 33560, 519341, 1038682, 2077364, 2596705, 4154728, 5193410, 10386820, 20773640]

約数ペア:

[(1, 20773640), (2, 10386820), (4, 5193410), (5, 4154728), (8, 2596705), (10, 2077364), (20, 1038682), (40, 519341), (619, 33560), (839, 24760), (1238, 16780), (1678, 12380), (2476, 8390), (3095, 6712), (3356, 6190), (4195, 4952)]