2019979720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{6113}}^1$

素因数の和:6886

約数の個数: 64

約数和(自身を含む): 4965546240

約数和(自身を除く): 2945566520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 751, 1502, 3004, 3755, 6008, 6113, 7510, 8261, 12226, 15020, 16522, 24452, 30040, 30565, 33044, 41305, 48904, 61130, 66088, 67243, 82610, 122260, 134486, 165220, 244520, 268972, 330440, 336215, 537944, 672430, 1344860, 2689720, 4590863, 9181726, 18363452, 22954315, 36726904, 45908630, 50499493, 91817260, 100998986, 183634520, 201997972, 252497465, 403995944, 504994930, 1009989860, 2019979720]

約数ペア:

[(1, 2019979720), (2, 1009989860), (4, 504994930), (5, 403995944), (8, 252497465), (10, 201997972), (11, 183634520), (20, 100998986), (22, 91817260), (40, 50499493), (44, 45908630), (55, 36726904), (88, 22954315), (110, 18363452), (220, 9181726), (440, 4590863), (751, 2689720), (1502, 1344860), (3004, 672430), (3755, 537944), (6008, 336215), (6113, 330440), (7510, 268972), (8261, 244520), (12226, 165220), (15020, 134486), (16522, 122260), (24452, 82610), (30040, 67243), (30565, 66088), (33044, 61130), (41305, 48904)]