20501595

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5119}}^1$

素因数の和:5219

約数の個数: 24

約数和(自身を含む): 35942400

約数和(自身を除く): 15440805

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 5119, 15357, 25595, 46071, 76785, 230355, 455591, 1366773, 2277955, 4100319, 6833865, 20501595]

約数ペア:

[(1, 20501595), (3, 6833865), (5, 4100319), (9, 2277955), (15, 1366773), (45, 455591), (89, 230355), (267, 76785), (445, 46071), (801, 25595), (1335, 15357), (4005, 5119)]