20101778533

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{887}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 22119298560

約数和(自身を除く): 2017520027

約数列:

[1, 23, 29, 61, 557, 667, 887, 1403, 1769, 12811, 16153, 20401, 25723, 33977, 40687, 54107, 371519, 494059, 591629, 781471, 985333, 1244461, 1569103, 11363357, 14327711, 22662659, 30137599, 36089369, 329537353, 693164777, 873990371, 20101778533]

約数ペア:

[(1, 20101778533), (23, 873990371), (29, 693164777), (61, 329537353), (557, 36089369), (667, 30137599), (887, 22662659), (1403, 14327711), (1769, 11363357), (12811, 1569103), (16153, 1244461), (20401, 985333), (25723, 781471), (33977, 591629), (40687, 494059), (54107, 371519)]