20797930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2473}}^1$

素因数の和:2538

約数の個数: 24

約数和(自身を含む): 38787372

約数和(自身を除く): 17989442

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2473, 4205, 4946, 8410, 12365, 24730, 71717, 143434, 358585, 717170, 2079793, 4159586, 10398965, 20797930]

約数ペア:

[(1, 20797930), (2, 10398965), (5, 4159586), (10, 2079793), (29, 717170), (58, 358585), (145, 143434), (290, 71717), (841, 24730), (1682, 12365), (2473, 8410), (4205, 4946)]