20121493444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101111}}^1$

素因数の和:101260

約数の個数: 48

約数和(自身を含む): 39239544960

約数和(自身を除く): 19118051516

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 172, 178, 356, 559, 1118, 1157, 2236, 2314, 3827, 4628, 7654, 15308, 49751, 99502, 101111, 199004, 202222, 404444, 1314443, 2628886, 4347773, 5257772, 8695546, 8998879, 17391092, 17997758, 35995516, 56521049, 113042098, 116985427, 226084196, 233970854, 386951797, 467941708, 773903594, 1547807188, 5030373361, 10060746722, 20121493444]

約数ペア:

[(1, 20121493444), (2, 10060746722), (4, 5030373361), (13, 1547807188), (26, 773903594), (43, 467941708), (52, 386951797), (86, 233970854), (89, 226084196), (172, 116985427), (178, 113042098), (356, 56521049), (559, 35995516), (1118, 17997758), (1157, 17391092), (2236, 8998879), (2314, 8695546), (3827, 5257772), (4628, 4347773), (7654, 2628886), (15308, 1314443), (49751, 404444), (99502, 202222), (101111, 199004)]