20109552

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9743}}^1$

素因数の和:9797

約数の個数: 40

約数和(自身を含む): 53163264

約数和(自身を除く): 33053712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9743, 19486, 29229, 38972, 58458, 77944, 116916, 155888, 233832, 418949, 467664, 837898, 1256847, 1675796, 2513694, 3351592, 5027388, 6703184, 10054776, 20109552]

約数ペア:

[(1, 20109552), (2, 10054776), (3, 6703184), (4, 5027388), (6, 3351592), (8, 2513694), (12, 1675796), (16, 1256847), (24, 837898), (43, 467664), (48, 418949), (86, 233832), (129, 155888), (172, 116916), (258, 77944), (344, 58458), (516, 38972), (688, 29229), (1032, 19486), (2064, 9743)]