20862156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2459}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 56206080

約数和(自身を除く): 35343924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 303, 404, 606, 707, 1212, 1414, 2121, 2459, 2828, 4242, 4918, 7377, 8484, 9836, 14754, 17213, 29508, 34426, 51639, 68852, 103278, 206556, 248359, 496718, 745077, 993436, 1490154, 1738513, 2980308, 3477026, 5215539, 6954052, 10431078, 20862156]

約数ペア:

[(1, 20862156), (2, 10431078), (3, 6954052), (4, 5215539), (6, 3477026), (7, 2980308), (12, 1738513), (14, 1490154), (21, 993436), (28, 745077), (42, 496718), (84, 248359), (101, 206556), (202, 103278), (303, 68852), (404, 51639), (606, 34426), (707, 29508), (1212, 17213), (1414, 14754), (2121, 9836), (2459, 8484), (2828, 7377), (4242, 4918)]