20244945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 19236399

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 83, 101, 105, 115, 161, 249, 303, 345, 415, 483, 505, 581, 707, 805, 1245, 1515, 1743, 1909, 2121, 2323, 2415, 2905, 3535, 5727, 6969, 8383, 8715, 9545, 10605, 11615, 13363, 16261, 25149, 28635, 34845, 40089, 41915, 48783, 58681, 66815, 81305, 125745, 176043, 192809, 200445, 243915, 293405, 578427, 880215, 964045, 1349663, 2892135, 4048989, 6748315, 20244945]

約数ペア:

[(1, 20244945), (3, 6748315), (5, 4048989), (7, 2892135), (15, 1349663), (21, 964045), (23, 880215), (35, 578427), (69, 293405), (83, 243915), (101, 200445), (105, 192809), (115, 176043), (161, 125745), (249, 81305), (303, 66815), (345, 58681), (415, 48783), (483, 41915), (505, 40089), (581, 34845), (707, 28635), (805, 25149), (1245, 16261), (1515, 13363), (1743, 11615), (1909, 10605), (2121, 9545), (2323, 8715), (2415, 8383), (2905, 6969), (3535, 5727)]