20498600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6029}}^1$

素因数の和:6062

約数の個数: 48

約数和(自身を含む): 50471100

約数和(自身を除く): 29972500

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6029, 12058, 24116, 30145, 48232, 60290, 102493, 120580, 150725, 204986, 241160, 301450, 409972, 512465, 602900, 819944, 1024930, 1205800, 2049860, 2562325, 4099720, 5124650, 10249300, 20498600]

約数ペア:

[(1, 20498600), (2, 10249300), (4, 5124650), (5, 4099720), (8, 2562325), (10, 2049860), (17, 1205800), (20, 1024930), (25, 819944), (34, 602900), (40, 512465), (50, 409972), (68, 301450), (85, 241160), (100, 204986), (136, 150725), (170, 120580), (200, 102493), (340, 60290), (425, 48232), (680, 30145), (850, 24116), (1700, 12058), (3400, 6029)]