20173938820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4648373}}^1$

素因数の和:4648420

約数の個数: 48

約数和(自身を含む): 49979317248

約数和(自身を除く): 29805378428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4648373, 9296746, 18593492, 23241865, 32538611, 46483730, 65077222, 92967460, 130154444, 144099563, 162693055, 288199126, 325386110, 576398252, 650772220, 720497815, 1008696941, 1440995630, 2017393882, 2881991260, 4034787764, 5043484705, 10086969410, 20173938820]

約数ペア:

[(1, 20173938820), (2, 10086969410), (4, 5043484705), (5, 4034787764), (7, 2881991260), (10, 2017393882), (14, 1440995630), (20, 1008696941), (28, 720497815), (31, 650772220), (35, 576398252), (62, 325386110), (70, 288199126), (124, 162693055), (140, 144099563), (155, 130154444), (217, 92967460), (310, 65077222), (434, 46483730), (620, 32538611), (868, 23241865), (1085, 18593492), (2170, 9296746), (4340, 4648373)]