20681010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 96

約数和(自身を含む): 65100672

約数和(自身を除く): 44419662

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 1931, 2142, 3570, 3862, 5355, 5793, 9655, 10710, 11586, 13517, 17379, 19310, 27034, 28965, 32827, 34758, 40551, 57930, 65654, 67585, 81102, 86895, 98481, 121653, 135170, 164135, 173790, 196962, 202755, 229789, 243306, 295443, 328270, 405510, 459578, 492405, 590886, 608265, 689367, 984810, 1148945, 1216530, 1378734, 1477215, 2068101, 2297890, 2954430, 3446835, 4136202, 6893670, 10340505, 20681010]

約数ペア:

[(1, 20681010), (2, 10340505), (3, 6893670), (5, 4136202), (6, 3446835), (7, 2954430), (9, 2297890), (10, 2068101), (14, 1477215), (15, 1378734), (17, 1216530), (18, 1148945), (21, 984810), (30, 689367), (34, 608265), (35, 590886), (42, 492405), (45, 459578), (51, 405510), (63, 328270), (70, 295443), (85, 243306), (90, 229789), (102, 202755), (105, 196962), (119, 173790), (126, 164135), (153, 135170), (170, 121653), (210, 98481), (238, 86895), (255, 81102), (306, 67585), (315, 65654), (357, 57930), (510, 40551), (595, 34758), (630, 32827), (714, 28965), (765, 27034), (1071, 19310), (1190, 17379), (1530, 13517), (1785, 11586), (1931, 10710), (2142, 9655), (3570, 5793), (3862, 5355)]