20121914

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1190

約数の個数: 24

約数和(自身を含む): 33126528

約数和(自身を除く): 13004614

約数列:

[1, 2, 17, 31, 34, 62, 289, 527, 578, 1054, 1123, 2246, 8959, 17918, 19091, 34813, 38182, 69626, 324547, 591821, 649094, 1183642, 10060957, 20121914]

約数ペア:

[(1, 20121914), (2, 10060957), (17, 1183642), (31, 649094), (34, 591821), (62, 324547), (289, 69626), (527, 38182), (578, 34813), (1054, 19091), (1123, 17918), (2246, 8959)]