20347944

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19717}}^1$

素因数の和:19769

約数の個数: 32

約数和(自身を含む): 52055520

約数和(自身を除く): 31707576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19717, 39434, 59151, 78868, 118302, 157736, 236604, 473208, 847831, 1695662, 2543493, 3391324, 5086986, 6782648, 10173972, 20347944]

約数ペア:

[(1, 20347944), (2, 10173972), (3, 6782648), (4, 5086986), (6, 3391324), (8, 2543493), (12, 1695662), (24, 847831), (43, 473208), (86, 236604), (129, 157736), (172, 118302), (258, 78868), (344, 59151), (516, 39434), (1032, 19717)]