20348534260

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1\times {\mathrm{6421}}^1$

素因数の和:7444

約数の個数: 48

約数和(自身を含む): 43012346832

約数和(自身を除く): 22663812572

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 821, 965, 1642, 1930, 3284, 3860, 4105, 6421, 8210, 12842, 16420, 25684, 32105, 64210, 128420, 158453, 316906, 633812, 792265, 1239253, 1584530, 2478506, 3169060, 4957012, 5271641, 6196265, 10543282, 12392530, 21086564, 24785060, 26358205, 52716410, 105432820, 1017426713, 2034853426, 4069706852, 5087133565, 10174267130, 20348534260]

約数ペア:

[(1, 20348534260), (2, 10174267130), (4, 5087133565), (5, 4069706852), (10, 2034853426), (20, 1017426713), (193, 105432820), (386, 52716410), (772, 26358205), (821, 24785060), (965, 21086564), (1642, 12392530), (1930, 10543282), (3284, 6196265), (3860, 5271641), (4105, 4957012), (6421, 3169060), (8210, 2478506), (12842, 1584530), (16420, 1239253), (25684, 792265), (32105, 633812), (64210, 316906), (128420, 158453)]