20649930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 36581430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 919, 1070, 1498, 1605, 1838, 2247, 2757, 3210, 3745, 4494, 4595, 5514, 6433, 7490, 9190, 11235, 12866, 13785, 19299, 22470, 27570, 32165, 38598, 64330, 96495, 98333, 192990, 196666, 294999, 491665, 589998, 688331, 983330, 1376662, 1474995, 2064993, 2949990, 3441655, 4129986, 6883310, 10324965, 20649930]

約数ペア:

[(1, 20649930), (2, 10324965), (3, 6883310), (5, 4129986), (6, 3441655), (7, 2949990), (10, 2064993), (14, 1474995), (15, 1376662), (21, 983330), (30, 688331), (35, 589998), (42, 491665), (70, 294999), (105, 196666), (107, 192990), (210, 98333), (214, 96495), (321, 64330), (535, 38598), (642, 32165), (749, 27570), (919, 22470), (1070, 19299), (1498, 13785), (1605, 12866), (1838, 11235), (2247, 9190), (2757, 7490), (3210, 6433), (3745, 5514), (4494, 4595)]