20156894534

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:910

約数の個数: 96

約数和(自身を含む): 37944595200

約数和(自身を除く): 17787700666

約数列:

[1, 2, 7, 14, 19, 38, 41, 61, 82, 122, 133, 266, 287, 427, 574, 739, 779, 854, 1159, 1478, 1558, 1681, 2318, 2501, 3362, 5002, 5173, 5453, 8113, 10346, 10906, 11767, 14041, 16226, 17507, 23534, 28082, 30299, 31939, 35014, 45079, 47519, 60598, 63878, 90158, 95038, 98287, 102541, 196574, 205082, 212093, 223573, 315553, 332633, 424186, 447146, 575681, 631106, 665266, 717787, 856501, 1151362, 1242259, 1435574, 1713002, 1848239, 1948279, 2484518, 3696478, 3896558, 4029767, 5995507, 8059534, 8695813, 11991014, 12937673, 13637953, 17391626, 23602921, 25875346, 27275906, 35116541, 47205842, 70233082, 75777799, 151555598, 165220447, 245815787, 330440894, 491631574, 530444593, 1060889186, 1439778181, 2879556362, 10078447267, 20156894534]

約数ペア:

[(1, 20156894534), (2, 10078447267), (7, 2879556362), (14, 1439778181), (19, 1060889186), (38, 530444593), (41, 491631574), (61, 330440894), (82, 245815787), (122, 165220447), (133, 151555598), (266, 75777799), (287, 70233082), (427, 47205842), (574, 35116541), (739, 27275906), (779, 25875346), (854, 23602921), (1159, 17391626), (1478, 13637953), (1558, 12937673), (1681, 11991014), (2318, 8695813), (2501, 8059534), (3362, 5995507), (5002, 4029767), (5173, 3896558), (5453, 3696478), (8113, 2484518), (10346, 1948279), (10906, 1848239), (11767, 1713002), (14041, 1435574), (16226, 1242259), (17507, 1151362), (23534, 856501), (28082, 717787), (30299, 665266), (31939, 631106), (35014, 575681), (45079, 447146), (47519, 424186), (60598, 332633), (63878, 315553), (90158, 223573), (95038, 212093), (98287, 205082), (102541, 196574)]