20023280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14723}}^1$

素因数の和:14753

約数の個数: 40

約数和(自身を含む): 49295952

約数和(自身を除く): 29272672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14723, 29446, 58892, 73615, 117784, 147230, 235568, 250291, 294460, 500582, 588920, 1001164, 1177840, 1251455, 2002328, 2502910, 4004656, 5005820, 10011640, 20023280]

約数ペア:

[(1, 20023280), (2, 10011640), (4, 5005820), (5, 4004656), (8, 2502910), (10, 2002328), (16, 1251455), (17, 1177840), (20, 1001164), (34, 588920), (40, 500582), (68, 294460), (80, 250291), (85, 235568), (136, 147230), (170, 117784), (272, 73615), (340, 58892), (680, 29446), (1360, 14723)]