20729120776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{159073}}^1$

素因数の和:159278

約数の個数: 64

約数和(自身を含む): 48103977600

約数和(自身を除く): 27374856824

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 179, 182, 358, 364, 716, 728, 1253, 1432, 2327, 2506, 4654, 5012, 9308, 10024, 16289, 18616, 32578, 65156, 130312, 159073, 318146, 636292, 1113511, 1272584, 2067949, 2227022, 4135898, 4454044, 8271796, 8908088, 14475643, 16543592, 28474067, 28951286, 56948134, 57902572, 113896268, 115805144, 199318469, 227792536, 370162871, 398636938, 740325742, 797273876, 1480651484, 1594547752, 2591140097, 2961302968, 5182280194, 10364560388, 20729120776]

約数ペア:

[(1, 20729120776), (2, 10364560388), (4, 5182280194), (7, 2961302968), (8, 2591140097), (13, 1594547752), (14, 1480651484), (26, 797273876), (28, 740325742), (52, 398636938), (56, 370162871), (91, 227792536), (104, 199318469), (179, 115805144), (182, 113896268), (358, 57902572), (364, 56948134), (716, 28951286), (728, 28474067), (1253, 16543592), (1432, 14475643), (2327, 8908088), (2506, 8271796), (4654, 4454044), (5012, 4135898), (9308, 2227022), (10024, 2067949), (16289, 1272584), (18616, 1113511), (32578, 636292), (65156, 318146), (130312, 159073)]