20383750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 40

約数和(自身を含む): 39924720

約数和(自身を除く): 19540970

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 709, 1150, 1250, 1418, 2875, 3545, 5750, 7090, 14375, 16307, 17725, 28750, 32614, 35450, 81535, 88625, 163070, 177250, 407675, 443125, 815350, 886250, 2038375, 4076750, 10191875, 20383750]

約数ペア:

[(1, 20383750), (2, 10191875), (5, 4076750), (10, 2038375), (23, 886250), (25, 815350), (46, 443125), (50, 407675), (115, 177250), (125, 163070), (230, 88625), (250, 81535), (575, 35450), (625, 32614), (709, 28750), (1150, 17725), (1250, 16307), (1418, 14375), (2875, 7090), (3545, 5750)]