16466420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 19857868

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 467, 820, 860, 934, 1763, 1868, 2335, 3526, 4670, 7052, 8815, 9340, 17630, 19147, 20081, 35260, 38294, 40162, 76588, 80324, 95735, 100405, 191470, 200810, 382940, 401620, 823321, 1646642, 3293284, 4116605, 8233210, 16466420]

約数ペア:

[(1, 16466420), (2, 8233210), (4, 4116605), (5, 3293284), (10, 1646642), (20, 823321), (41, 401620), (43, 382940), (82, 200810), (86, 191470), (164, 100405), (172, 95735), (205, 80324), (215, 76588), (410, 40162), (430, 38294), (467, 35260), (820, 20081), (860, 19147), (934, 17630), (1763, 9340), (1868, 8815), (2335, 7052), (3526, 4670)]