20793735

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2671}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 36264384

約数和(自身を除く): 15470649

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 2671, 7785, 8013, 13355, 24039, 40065, 120195, 462083, 1386249, 2310415, 4158747, 6931245, 20793735]

約数ペア:

[(1, 20793735), (3, 6931245), (5, 4158747), (9, 2310415), (15, 1386249), (45, 462083), (173, 120195), (519, 40065), (865, 24039), (1557, 13355), (2595, 8013), (2671, 7785)]