20624970815

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 25282682880

約数和(自身を除く): 4657712065

約数列:

[1, 5, 127, 139, 181, 635, 695, 905, 1291, 6455, 17653, 22987, 25159, 88265, 114935, 125795, 163957, 179449, 233671, 819785, 897245, 1168355, 3195193, 15975965, 22790023, 29676217, 32480269, 113950115, 148381085, 162401345, 4124994163, 20624970815]

約数ペア:

[(1, 20624970815), (5, 4124994163), (127, 162401345), (139, 148381085), (181, 113950115), (635, 32480269), (695, 29676217), (905, 22790023), (1291, 15975965), (6455, 3195193), (17653, 1168355), (22987, 897245), (25159, 819785), (88265, 233671), (114935, 179449), (125795, 163957)]