20167432840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6382099}}^1$

素因数の和:6382189

約数の個数: 32

約数和(自身を含む): 45951120000

約数和(自身を除く): 25783687160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6382099, 12764198, 25528396, 31910495, 51056792, 63820990, 127641980, 255283960, 504185821, 1008371642, 2016743284, 2520929105, 4033486568, 5041858210, 10083716420, 20167432840]

約数ペア:

[(1, 20167432840), (2, 10083716420), (4, 5041858210), (5, 4033486568), (8, 2520929105), (10, 2016743284), (20, 1008371642), (40, 504185821), (79, 255283960), (158, 127641980), (316, 63820990), (395, 51056792), (632, 31910495), (790, 25528396), (1580, 12764198), (3160, 6382099)]