20152328

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 44477100

約数和(自身を除く): 24324772

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 392, 404, 509, 707, 808, 1018, 1414, 2036, 2828, 3563, 4072, 4949, 5656, 7126, 9898, 14252, 19796, 24941, 28504, 39592, 49882, 51409, 99764, 102818, 199528, 205636, 359863, 411272, 719726, 1439452, 2519041, 2878904, 5038082, 10076164, 20152328]

約数ペア:

[(1, 20152328), (2, 10076164), (4, 5038082), (7, 2878904), (8, 2519041), (14, 1439452), (28, 719726), (49, 411272), (56, 359863), (98, 205636), (101, 199528), (196, 102818), (202, 99764), (392, 51409), (404, 49882), (509, 39592), (707, 28504), (808, 24941), (1018, 19796), (1414, 14252), (2036, 9898), (2828, 7126), (3563, 5656), (4072, 4949)]