20228454

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 28384506

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 61, 69, 81, 89, 122, 138, 162, 178, 183, 207, 267, 366, 414, 534, 549, 621, 801, 1098, 1242, 1403, 1602, 1647, 1863, 2047, 2403, 2806, 3294, 3726, 4094, 4209, 4806, 4941, 5429, 6141, 7209, 8418, 9882, 10858, 12282, 12627, 14418, 16287, 18423, 25254, 32574, 36846, 37881, 48861, 55269, 75762, 97722, 110538, 113643, 124867, 146583, 165807, 227286, 249734, 293166, 331614, 374601, 439749, 749202, 879498, 1123803, 2247606, 3371409, 6742818, 10114227, 20228454]

約数ペア:

[(1, 20228454), (2, 10114227), (3, 6742818), (6, 3371409), (9, 2247606), (18, 1123803), (23, 879498), (27, 749202), (46, 439749), (54, 374601), (61, 331614), (69, 293166), (81, 249734), (89, 227286), (122, 165807), (138, 146583), (162, 124867), (178, 113643), (183, 110538), (207, 97722), (267, 75762), (366, 55269), (414, 48861), (534, 37881), (549, 36846), (621, 32574), (801, 25254), (1098, 18423), (1242, 16287), (1403, 14418), (1602, 12627), (1647, 12282), (1863, 10858), (2047, 9882), (2403, 8418), (2806, 7209), (3294, 6141), (3726, 5429), (4094, 4941), (4209, 4806)]