20239999825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 26959100400

約数和(自身を除く): 6719100575

約数列:

[1, 5, 17, 25, 85, 137, 149, 425, 685, 745, 2329, 2333, 2533, 3425, 3725, 11645, 11665, 12665, 20413, 39661, 58225, 58325, 63325, 102065, 198305, 319621, 347021, 347617, 510325, 991525, 1598105, 1735105, 1738085, 5433557, 5909489, 7990525, 8675525, 8690425, 27167785, 29547445, 47623529, 135838925, 147737225, 238117645, 809599993, 1190588225, 4047999965, 20239999825]

約数ペア:

[(1, 20239999825), (5, 4047999965), (17, 1190588225), (25, 809599993), (85, 238117645), (137, 147737225), (149, 135838925), (425, 47623529), (685, 29547445), (745, 27167785), (2329, 8690425), (2333, 8675525), (2533, 7990525), (3425, 5909489), (3725, 5433557), (11645, 1738085), (11665, 1735105), (12665, 1598105), (20413, 991525), (39661, 510325), (58225, 347617), (58325, 347021), (63325, 319621), (102065, 198305)]