20336888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 46418400

約数和(自身を除く): 26081512

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 572, 613, 638, 754, 1144, 1226, 1276, 1508, 2452, 2552, 3016, 4147, 4904, 6743, 7969, 8294, 13486, 15938, 16588, 17777, 26972, 31876, 33176, 35554, 53944, 63752, 71108, 87659, 142216, 175318, 195547, 231101, 350636, 391094, 462202, 701272, 782188, 924404, 1564376, 1848808, 2542111, 5084222, 10168444, 20336888]

約数ペア:

[(1, 20336888), (2, 10168444), (4, 5084222), (8, 2542111), (11, 1848808), (13, 1564376), (22, 924404), (26, 782188), (29, 701272), (44, 462202), (52, 391094), (58, 350636), (88, 231101), (104, 195547), (116, 175318), (143, 142216), (232, 87659), (286, 71108), (319, 63752), (377, 53944), (572, 35554), (613, 33176), (638, 31876), (754, 26972), (1144, 17777), (1226, 16588), (1276, 15938), (1508, 13486), (2452, 8294), (2552, 7969), (3016, 6743), (4147, 4904)]