20520745458

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{4153}}^1$

素因数の和:4619

約数の個数: 64

約数和(自身を含む): 43865442432

約数和(自身を除く): 23344696974

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 193, 251, 386, 502, 579, 753, 1158, 1506, 3281, 4153, 4267, 6562, 8306, 8534, 9843, 12459, 12801, 19686, 24918, 25602, 48443, 70601, 96886, 141202, 145329, 211803, 290658, 423606, 801529, 823531, 1042403, 1603058, 1647062, 2084806, 2404587, 2470593, 3127209, 4809174, 4941186, 6254418, 13625993, 17720851, 27251986, 35441702, 40877979, 53162553, 81755958, 106325106, 201183779, 402367558, 603551337, 1207102674, 3420124243, 6840248486, 10260372729, 20520745458]

約数ペア:

[(1, 20520745458), (2, 10260372729), (3, 6840248486), (6, 3420124243), (17, 1207102674), (34, 603551337), (51, 402367558), (102, 201183779), (193, 106325106), (251, 81755958), (386, 53162553), (502, 40877979), (579, 35441702), (753, 27251986), (1158, 17720851), (1506, 13625993), (3281, 6254418), (4153, 4941186), (4267, 4809174), (6562, 3127209), (8306, 2470593), (8534, 2404587), (9843, 2084806), (12459, 1647062), (12801, 1603058), (19686, 1042403), (24918, 823531), (25602, 801529), (48443, 423606), (70601, 290658), (96886, 211803), (141202, 145329)]