20765250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 40561470

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 125, 150, 165, 198, 225, 250, 275, 330, 375, 450, 495, 550, 750, 825, 839, 990, 1125, 1375, 1650, 1678, 2250, 2475, 2517, 2750, 4125, 4195, 4950, 5034, 7551, 8250, 8390, 9229, 12375, 12585, 15102, 18458, 20975, 24750, 25170, 27687, 37755, 41950, 46145, 55374, 62925, 75510, 83061, 92290, 104875, 125850, 138435, 166122, 188775, 209750, 230725, 276870, 314625, 377550, 415305, 461450, 629250, 692175, 830610, 943875, 1153625, 1384350, 1887750, 2076525, 2307250, 3460875, 4153050, 6921750, 10382625, 20765250]

約数ペア:

[(1, 20765250), (2, 10382625), (3, 6921750), (5, 4153050), (6, 3460875), (9, 2307250), (10, 2076525), (11, 1887750), (15, 1384350), (18, 1153625), (22, 943875), (25, 830610), (30, 692175), (33, 629250), (45, 461450), (50, 415305), (55, 377550), (66, 314625), (75, 276870), (90, 230725), (99, 209750), (110, 188775), (125, 166122), (150, 138435), (165, 125850), (198, 104875), (225, 92290), (250, 83061), (275, 75510), (330, 62925), (375, 55374), (450, 46145), (495, 41950), (550, 37755), (750, 27687), (825, 25170), (839, 24750), (990, 20975), (1125, 18458), (1375, 15102), (1650, 12585), (1678, 12375), (2250, 9229), (2475, 8390), (2517, 8250), (2750, 7551), (4125, 5034), (4195, 4950)]