20979192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3580

約数の個数: 64

約数和(自身を含む): 59472000

約数和(自身を除く): 38492808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3539, 5928, 7078, 10617, 14156, 21234, 28312, 42468, 46007, 67241, 84936, 92014, 134482, 138021, 184028, 201723, 268964, 276042, 368056, 403446, 537928, 552084, 806892, 874133, 1104168, 1613784, 1748266, 2622399, 3496532, 5244798, 6993064, 10489596, 20979192]

約数ペア:

[(1, 20979192), (2, 10489596), (3, 6993064), (4, 5244798), (6, 3496532), (8, 2622399), (12, 1748266), (13, 1613784), (19, 1104168), (24, 874133), (26, 806892), (38, 552084), (39, 537928), (52, 403446), (57, 368056), (76, 276042), (78, 268964), (104, 201723), (114, 184028), (152, 138021), (156, 134482), (228, 92014), (247, 84936), (312, 67241), (456, 46007), (494, 42468), (741, 28312), (988, 21234), (1482, 14156), (1976, 10617), (2964, 7078), (3539, 5928)]