20444268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 54785808

約数和(自身を除く): 34341540

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 169, 204, 221, 338, 442, 507, 593, 663, 676, 884, 1014, 1186, 1326, 1779, 2028, 2372, 2652, 2873, 3558, 5746, 7116, 7709, 8619, 10081, 11492, 15418, 17238, 20162, 23127, 30243, 30836, 34476, 40324, 46254, 60486, 92508, 100217, 120972, 131053, 200434, 262106, 300651, 393159, 400868, 524212, 601302, 786318, 1202604, 1572636, 1703689, 3407378, 5111067, 6814756, 10222134, 20444268]

約数ペア:

[(1, 20444268), (2, 10222134), (3, 6814756), (4, 5111067), (6, 3407378), (12, 1703689), (13, 1572636), (17, 1202604), (26, 786318), (34, 601302), (39, 524212), (51, 400868), (52, 393159), (68, 300651), (78, 262106), (102, 200434), (156, 131053), (169, 120972), (204, 100217), (221, 92508), (338, 60486), (442, 46254), (507, 40324), (593, 34476), (663, 30836), (676, 30243), (884, 23127), (1014, 20162), (1186, 17238), (1326, 15418), (1779, 11492), (2028, 10081), (2372, 8619), (2652, 7709), (2873, 7116), (3558, 5746)]