20186800065

素因数分解:

$3^2\times 5^1\times {\mathrm{20983}}^1\times {\mathrm{21379}}^1$

素因数の和:42373

約数の個数: 24

約数和(自身を含む): 34993757760

約数和(自身を除く): 14806957695

約数列:

[1, 3, 5, 9, 15, 45, 20983, 21379, 62949, 64137, 104915, 106895, 188847, 192411, 314745, 320685, 944235, 962055, 448595557, 1345786671, 2242977785, 4037360013, 6728933355, 20186800065]

約数ペア:

[(1, 20186800065), (3, 6728933355), (5, 4037360013), (9, 2242977785), (15, 1345786671), (45, 448595557), (20983, 962055), (21379, 944235), (62949, 320685), (64137, 314745), (104915, 192411), (106895, 188847)]