20300796

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{877}}^1$

素因数の和:1530

約数の個数: 36

約数和(自身を含む): 51454312

約数和(自身を除く): 31153516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 877, 1286, 1754, 1929, 2572, 2631, 3508, 3858, 5262, 5787, 7716, 7893, 10524, 11574, 15786, 23148, 31572, 563911, 1127822, 1691733, 2255644, 3383466, 5075199, 6766932, 10150398, 20300796]

約数ペア:

[(1, 20300796), (2, 10150398), (3, 6766932), (4, 5075199), (6, 3383466), (9, 2255644), (12, 1691733), (18, 1127822), (36, 563911), (643, 31572), (877, 23148), (1286, 15786), (1754, 11574), (1929, 10524), (2572, 7893), (2631, 7716), (3508, 5787), (3858, 5262)]