20120922

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 45556992

約数和(自身を除く): 25436070

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 186, 214, 279, 321, 337, 558, 642, 674, 963, 1011, 1926, 2022, 3033, 3317, 6066, 6634, 9951, 10447, 19902, 20894, 29853, 31341, 36059, 59706, 62682, 72118, 94023, 108177, 188046, 216354, 324531, 649062, 1117829, 2235658, 3353487, 6706974, 10060461, 20120922]

約数ペア:

[(1, 20120922), (2, 10060461), (3, 6706974), (6, 3353487), (9, 2235658), (18, 1117829), (31, 649062), (62, 324531), (93, 216354), (107, 188046), (186, 108177), (214, 94023), (279, 72118), (321, 62682), (337, 59706), (558, 36059), (642, 31341), (674, 29853), (963, 20894), (1011, 19902), (1926, 10447), (2022, 9951), (3033, 6634), (3317, 6066)]