20228936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 48007680

約数和(自身を除く): 27778744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 728, 751, 962, 1036, 1502, 1924, 2072, 3004, 3367, 3848, 5257, 6008, 6734, 9763, 10514, 13468, 19526, 21028, 26936, 27787, 39052, 42056, 55574, 68341, 78104, 111148, 136682, 194509, 222296, 273364, 361231, 389018, 546728, 722462, 778036, 1444924, 1556072, 2528617, 2889848, 5057234, 10114468, 20228936]

約数ペア:

[(1, 20228936), (2, 10114468), (4, 5057234), (7, 2889848), (8, 2528617), (13, 1556072), (14, 1444924), (26, 778036), (28, 722462), (37, 546728), (52, 389018), (56, 361231), (74, 273364), (91, 222296), (104, 194509), (148, 136682), (182, 111148), (259, 78104), (296, 68341), (364, 55574), (481, 42056), (518, 39052), (728, 27787), (751, 26936), (962, 21028), (1036, 19526), (1502, 13468), (1924, 10514), (2072, 9763), (3004, 6734), (3367, 6008), (3848, 5257)]