20846590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 40046400

約数和(自身を除く): 19199810

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 823, 1490, 1646, 2533, 4115, 5066, 8230, 12665, 13991, 25330, 27982, 69955, 122627, 139910, 245254, 613135, 1226270, 2084659, 4169318, 10423295, 20846590]

約数ペア:

[(1, 20846590), (2, 10423295), (5, 4169318), (10, 2084659), (17, 1226270), (34, 613135), (85, 245254), (149, 139910), (170, 122627), (298, 69955), (745, 27982), (823, 25330), (1490, 13991), (1646, 12665), (2533, 8230), (4115, 5066)]