20764614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 47190528

約数和(自身を除く): 26425914

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 43, 78, 82, 86, 123, 129, 151, 246, 258, 302, 453, 533, 559, 906, 1066, 1118, 1599, 1677, 1763, 1963, 3198, 3354, 3526, 3926, 5289, 5889, 6191, 6493, 10578, 11778, 12382, 12986, 18573, 19479, 22919, 37146, 38958, 45838, 68757, 80483, 84409, 137514, 160966, 168818, 241449, 253227, 266213, 482898, 506454, 532426, 798639, 1597278, 3460769, 6921538, 10382307, 20764614]

約数ペア:

[(1, 20764614), (2, 10382307), (3, 6921538), (6, 3460769), (13, 1597278), (26, 798639), (39, 532426), (41, 506454), (43, 482898), (78, 266213), (82, 253227), (86, 241449), (123, 168818), (129, 160966), (151, 137514), (246, 84409), (258, 80483), (302, 68757), (453, 45838), (533, 38958), (559, 37146), (906, 22919), (1066, 19479), (1118, 18573), (1599, 12986), (1677, 12382), (1763, 11778), (1963, 10578), (3198, 6493), (3354, 6191), (3526, 5889), (3926, 5289)]