20511144

素因数分解:

$2^3\times 3^6\times {\mathrm{3517}}^1$

素因数の和:3541

約数の個数: 56

約数和(自身を含む): 57677610

約数和(自身を除く): 37166466

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3517, 5832, 7034, 10551, 14068, 21102, 28136, 31653, 42204, 63306, 84408, 94959, 126612, 189918, 253224, 284877, 379836, 569754, 759672, 854631, 1139508, 1709262, 2279016, 2563893, 3418524, 5127786, 6837048, 10255572, 20511144]

約数ペア:

[(1, 20511144), (2, 10255572), (3, 6837048), (4, 5127786), (6, 3418524), (8, 2563893), (9, 2279016), (12, 1709262), (18, 1139508), (24, 854631), (27, 759672), (36, 569754), (54, 379836), (72, 284877), (81, 253224), (108, 189918), (162, 126612), (216, 94959), (243, 84408), (324, 63306), (486, 42204), (648, 31653), (729, 28136), (972, 21102), (1458, 14068), (1944, 10551), (2916, 7034), (3517, 5832)]