20911770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2347}}^1$

素因数の和:2377

約数の個数: 80

約数和(自身を含む): 61367328

約数和(自身を除く): 40455558

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2347, 2970, 4455, 4694, 7041, 8910, 11735, 14082, 21123, 23470, 25817, 35205, 42246, 51634, 63369, 70410, 77451, 105615, 126738, 129085, 154902, 190107, 211230, 232353, 258170, 316845, 380214, 387255, 464706, 633690, 697059, 774510, 950535, 1161765, 1394118, 1901070, 2091177, 2323530, 3485295, 4182354, 6970590, 10455885, 20911770]

約数ペア:

[(1, 20911770), (2, 10455885), (3, 6970590), (5, 4182354), (6, 3485295), (9, 2323530), (10, 2091177), (11, 1901070), (15, 1394118), (18, 1161765), (22, 950535), (27, 774510), (30, 697059), (33, 633690), (45, 464706), (54, 387255), (55, 380214), (66, 316845), (81, 258170), (90, 232353), (99, 211230), (110, 190107), (135, 154902), (162, 129085), (165, 126738), (198, 105615), (270, 77451), (297, 70410), (330, 63369), (405, 51634), (495, 42246), (594, 35205), (810, 25817), (891, 23470), (990, 21123), (1485, 14082), (1782, 11735), (2347, 8910), (2970, 7041), (4455, 4694)]