20059924508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{12101}}^1$

素因数の和:12638

約数の個数: 48

約数和(自身を含む): 38426270400

約数和(自身を除く): 18366345892

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 449, 898, 923, 1796, 1846, 3692, 5837, 11674, 12101, 23348, 24202, 31879, 48404, 63758, 127516, 157313, 314626, 414427, 629252, 828854, 859171, 1657708, 1718342, 3436684, 5433349, 10866698, 11169223, 21733396, 22338446, 44676892, 70633537, 141267074, 282534148, 385767779, 771535558, 1543071116, 5014981127, 10029962254, 20059924508]

約数ペア:

[(1, 20059924508), (2, 10029962254), (4, 5014981127), (13, 1543071116), (26, 771535558), (52, 385767779), (71, 282534148), (142, 141267074), (284, 70633537), (449, 44676892), (898, 22338446), (923, 21733396), (1796, 11169223), (1846, 10866698), (3692, 5433349), (5837, 3436684), (11674, 1718342), (12101, 1657708), (23348, 859171), (24202, 828854), (31879, 629252), (48404, 414427), (63758, 314626), (127516, 157313)]