20965932

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 59505600

約数和(自身を除く): 38539668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 109, 117, 137, 156, 218, 234, 274, 327, 351, 411, 436, 468, 548, 654, 702, 822, 981, 1233, 1308, 1404, 1417, 1644, 1781, 1962, 2466, 2834, 2943, 3562, 3699, 3924, 4251, 4932, 5343, 5668, 5886, 7124, 7398, 8502, 10686, 11772, 12753, 14796, 14933, 16029, 17004, 21372, 25506, 29866, 32058, 38259, 44799, 48087, 51012, 59732, 64116, 76518, 89598, 96174, 134397, 153036, 179196, 192348, 194129, 268794, 388258, 403191, 537588, 582387, 776516, 806382, 1164774, 1612764, 1747161, 2329548, 3494322, 5241483, 6988644, 10482966, 20965932]

約数ペア:

[(1, 20965932), (2, 10482966), (3, 6988644), (4, 5241483), (6, 3494322), (9, 2329548), (12, 1747161), (13, 1612764), (18, 1164774), (26, 806382), (27, 776516), (36, 582387), (39, 537588), (52, 403191), (54, 388258), (78, 268794), (108, 194129), (109, 192348), (117, 179196), (137, 153036), (156, 134397), (218, 96174), (234, 89598), (274, 76518), (327, 64116), (351, 59732), (411, 51012), (436, 48087), (468, 44799), (548, 38259), (654, 32058), (702, 29866), (822, 25506), (981, 21372), (1233, 17004), (1308, 16029), (1404, 14933), (1417, 14796), (1644, 12753), (1781, 11772), (1962, 10686), (2466, 8502), (2834, 7398), (2943, 7124), (3562, 5886), (3699, 5668), (3924, 5343), (4251, 4932)]