20120367490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{91369}}^1$

素因数の和:91475

約数の個数: 48

約数和(自身を含む): 38850158520

約数和(自身を除く): 18729791030

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 361, 610, 722, 1159, 1805, 2318, 3610, 5795, 11590, 22021, 44042, 91369, 110105, 182738, 220210, 456845, 913690, 1736011, 3472022, 5573509, 8680055, 11147018, 17360110, 27867545, 32984209, 55735090, 65968418, 105896671, 164921045, 211793342, 329842090, 529483355, 1058966710, 2012036749, 4024073498, 10060183745, 20120367490]

約数ペア:

[(1, 20120367490), (2, 10060183745), (5, 4024073498), (10, 2012036749), (19, 1058966710), (38, 529483355), (61, 329842090), (95, 211793342), (122, 164921045), (190, 105896671), (305, 65968418), (361, 55735090), (610, 32984209), (722, 27867545), (1159, 17360110), (1805, 11147018), (2318, 8680055), (3610, 5573509), (5795, 3472022), (11590, 1736011), (22021, 913690), (44042, 456845), (91369, 220210), (110105, 182738)]