20687558325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{2879}}^1\times {\mathrm{13687}}^1$

素因数の和:16586

約数の個数: 48

約数和(自身を含む): 39106068480

約数和(自身を除く): 18418510155

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 2879, 8637, 13687, 14395, 20153, 41061, 43185, 60459, 68435, 71975, 95809, 100765, 205305, 215925, 287427, 302295, 342175, 479045, 503825, 1026525, 1437135, 1511475, 2395225, 7185675, 39404873, 118214619, 197024365, 275834111, 591073095, 827502333, 985121825, 1379170555, 2955365475, 4137511665, 6895852775, 20687558325]

約数ペア:

[(1, 20687558325), (3, 6895852775), (5, 4137511665), (7, 2955365475), (15, 1379170555), (21, 985121825), (25, 827502333), (35, 591073095), (75, 275834111), (105, 197024365), (175, 118214619), (525, 39404873), (2879, 7185675), (8637, 2395225), (13687, 1511475), (14395, 1437135), (20153, 1026525), (41061, 503825), (43185, 479045), (60459, 342175), (68435, 302295), (71975, 287427), (95809, 215925), (100765, 205305)]