20218986572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{7547}}^1\times {\mathrm{35251}}^1$

素因数の和:42821

約数の個数: 24

約数和(自身を含む): 37251493440

約数和(自身を除く): 17032506868

約数列:

[1, 2, 4, 19, 38, 76, 7547, 15094, 30188, 35251, 70502, 141004, 143393, 286786, 573572, 669769, 1339538, 2679076, 266039297, 532078594, 1064157188, 5054746643, 10109493286, 20218986572]

約数ペア:

[(1, 20218986572), (2, 10109493286), (4, 5054746643), (19, 1064157188), (38, 532078594), (76, 266039297), (7547, 2679076), (15094, 1339538), (30188, 669769), (35251, 573572), (70502, 286786), (141004, 143393)]