20649291240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{542831}}^1$

素因数の和:543162

約数の個数: 64

約数和(自身を含む): 62143407360

約数和(自身を除く): 41494116120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 634, 951, 1268, 1585, 1902, 2536, 3170, 3804, 4755, 6340, 7608, 9510, 12680, 19020, 38040, 542831, 1085662, 1628493, 2171324, 2714155, 3256986, 4342648, 5428310, 6513972, 8142465, 10856620, 13027944, 16284930, 21713240, 32569860, 65139720, 172077427, 344154854, 516232281, 688309708, 860387135, 1032464562, 1376619416, 1720774270, 2064929124, 2581161405, 3441548540, 4129858248, 5162322810, 6883097080, 10324645620, 20649291240]

約数ペア:

[(1, 20649291240), (2, 10324645620), (3, 6883097080), (4, 5162322810), (5, 4129858248), (6, 3441548540), (8, 2581161405), (10, 2064929124), (12, 1720774270), (15, 1376619416), (20, 1032464562), (24, 860387135), (30, 688309708), (40, 516232281), (60, 344154854), (120, 172077427), (317, 65139720), (634, 32569860), (951, 21713240), (1268, 16284930), (1585, 13027944), (1902, 10856620), (2536, 8142465), (3170, 6513972), (3804, 5428310), (4755, 4342648), (6340, 3256986), (7608, 2714155), (9510, 2171324), (12680, 1628493), (19020, 1085662), (38040, 542831)]