20249784

素因数分解:

$2^3\times 3^3\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 56628000

約数和(自身を除く): 36378216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 241, 389, 482, 723, 778, 964, 1167, 1446, 1556, 1928, 2169, 2334, 2892, 3112, 3501, 4338, 4668, 5784, 6507, 7002, 8676, 9336, 10503, 13014, 14004, 17352, 21006, 26028, 28008, 42012, 52056, 84024, 93749, 187498, 281247, 374996, 562494, 749992, 843741, 1124988, 1687482, 2249976, 2531223, 3374964, 5062446, 6749928, 10124892, 20249784]

約数ペア:

[(1, 20249784), (2, 10124892), (3, 6749928), (4, 5062446), (6, 3374964), (8, 2531223), (9, 2249976), (12, 1687482), (18, 1124988), (24, 843741), (27, 749992), (36, 562494), (54, 374996), (72, 281247), (108, 187498), (216, 93749), (241, 84024), (389, 52056), (482, 42012), (723, 28008), (778, 26028), (964, 21006), (1167, 17352), (1446, 14004), (1556, 13014), (1928, 10503), (2169, 9336), (2334, 8676), (2892, 7002), (3112, 6507), (3501, 5784), (4338, 4668)]