20155954

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1217}}^1$

素因数の和:1259

約数の個数: 36

約数和(自身を含む): 38114874

約数和(自身を除く): 17958920

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1217, 1274, 2366, 2434, 8281, 8519, 15821, 16562, 17038, 31642, 59633, 110747, 119266, 205673, 221494, 411346, 775229, 1439711, 1550458, 2879422, 10077977, 20155954]

約数ペア:

[(1, 20155954), (2, 10077977), (7, 2879422), (13, 1550458), (14, 1439711), (26, 775229), (49, 411346), (91, 221494), (98, 205673), (169, 119266), (182, 110747), (338, 59633), (637, 31642), (1183, 17038), (1217, 16562), (1274, 15821), (2366, 8519), (2434, 8281)]