2100020540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{6361}}^1$

素因数の和:7358

約数の個数: 48

約数和(自身を含む): 4675001184

約数和(自身を除く): 2574980644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 971, 1942, 3884, 4855, 6361, 9710, 12722, 16507, 19420, 25444, 31805, 33014, 63610, 66028, 82535, 108137, 127220, 165070, 216274, 330140, 432548, 540685, 1081370, 2162740, 6176531, 12353062, 24706124, 30882655, 61765310, 105001027, 123530620, 210002054, 420004108, 525005135, 1050010270, 2100020540]

約数ペア:

[(1, 2100020540), (2, 1050010270), (4, 525005135), (5, 420004108), (10, 210002054), (17, 123530620), (20, 105001027), (34, 61765310), (68, 30882655), (85, 24706124), (170, 12353062), (340, 6176531), (971, 2162740), (1942, 1081370), (3884, 540685), (4855, 432548), (6361, 330140), (9710, 216274), (12722, 165070), (16507, 127220), (19420, 108137), (25444, 82535), (31805, 66028), (33014, 63610)]