20179450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 39711744

約数和(自身を除く): 19532294

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 155, 235, 277, 310, 470, 554, 775, 1175, 1385, 1457, 1550, 2350, 2770, 2914, 6925, 7285, 8587, 13019, 13850, 14570, 17174, 26038, 36425, 42935, 65095, 72850, 85870, 130190, 214675, 325475, 403589, 429350, 650950, 807178, 2017945, 4035890, 10089725, 20179450]

約数ペア:

[(1, 20179450), (2, 10089725), (5, 4035890), (10, 2017945), (25, 807178), (31, 650950), (47, 429350), (50, 403589), (62, 325475), (94, 214675), (155, 130190), (235, 85870), (277, 72850), (310, 65095), (470, 42935), (554, 36425), (775, 26038), (1175, 17174), (1385, 14570), (1457, 13850), (1550, 13019), (2350, 8587), (2770, 7285), (2914, 6925)]