20185820921

素因数分解:

$7^2\times {\mathrm{557}}^1\times {\mathrm{733}}^1\times {\mathrm{1009}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 23579060040

約数和(自身を除く): 3393239119

約数列:

[1, 7, 49, 557, 733, 1009, 3899, 5131, 7063, 27293, 35917, 49441, 408281, 562013, 739597, 2857967, 3934091, 5177179, 20005769, 27538637, 36240253, 411955529, 2883688703, 20185820921]

約数ペア:

[(1, 20185820921), (7, 2883688703), (49, 411955529), (557, 36240253), (733, 27538637), (1009, 20005769), (3899, 5177179), (5131, 3934091), (7063, 2857967), (27293, 739597), (35917, 562013), (49441, 408281)]