20408065886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1\times {\mathrm{839}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 34519080960

約数和(自身を除く): 14111015074

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 293, 403, 586, 806, 839, 1339, 1678, 2678, 3193, 3809, 6386, 7618, 9083, 10907, 18166, 21814, 26009, 30179, 41509, 52018, 60358, 83018, 86417, 118079, 172834, 236158, 245827, 338117, 392327, 491654, 676234, 784654, 935549, 1123421, 1871098, 2246842, 2678927, 3195751, 5357854, 6391502, 7620637, 12162137, 15241274, 24324274, 25320181, 34826051, 50640362, 69652102, 99068281, 198136562, 329162353, 658324706, 784925611, 1569851222, 10204032943, 20408065886]

約数ペア:

[(1, 20408065886), (2, 10204032943), (13, 1569851222), (26, 784925611), (31, 658324706), (62, 329162353), (103, 198136562), (206, 99068281), (293, 69652102), (403, 50640362), (586, 34826051), (806, 25320181), (839, 24324274), (1339, 15241274), (1678, 12162137), (2678, 7620637), (3193, 6391502), (3809, 5357854), (6386, 3195751), (7618, 2678927), (9083, 2246842), (10907, 1871098), (18166, 1123421), (21814, 935549), (26009, 784654), (30179, 676234), (41509, 491654), (52018, 392327), (60358, 338117), (83018, 245827), (86417, 236158), (118079, 172834)]