20842992

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2731}}^1$

素因数の和:2798

約数の個数: 60

約数和(自身を含む): 59453784

約数和(自身を除く): 38610792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2731, 3816, 5462, 7632, 8193, 10924, 16386, 21848, 24579, 32772, 43696, 49158, 65544, 98316, 131088, 144743, 196632, 289486, 393264, 434229, 578972, 868458, 1157944, 1302687, 1736916, 2315888, 2605374, 3473832, 5210748, 6947664, 10421496, 20842992]

約数ペア:

[(1, 20842992), (2, 10421496), (3, 6947664), (4, 5210748), (6, 3473832), (8, 2605374), (9, 2315888), (12, 1736916), (16, 1302687), (18, 1157944), (24, 868458), (36, 578972), (48, 434229), (53, 393264), (72, 289486), (106, 196632), (144, 144743), (159, 131088), (212, 98316), (318, 65544), (424, 49158), (477, 43696), (636, 32772), (848, 24579), (954, 21848), (1272, 16386), (1908, 10924), (2544, 8193), (2731, 7632), (3816, 5462)]