20455817810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1516369}}^1$

素因数の和:1516466

約数の個数: 32

約数和(自身を含む): 39304310400

約数和(自身を除く): 18848492590

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 1516369, 3032738, 7581845, 15163690, 28811011, 57622022, 107662199, 144055055, 215324398, 288110110, 538310995, 1076621990, 2045581781, 4091163562, 10227908905, 20455817810]

約数ペア:

[(1, 20455817810), (2, 10227908905), (5, 4091163562), (10, 2045581781), (19, 1076621990), (38, 538310995), (71, 288110110), (95, 215324398), (142, 144055055), (190, 107662199), (355, 57622022), (710, 28811011), (1349, 15163690), (2698, 7581845), (6745, 3032738), (13490, 1516369)]