20007900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 71495424

約数和(自身を除く): 51487524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 43, 44, 45, 47, 50, 55, 60, 66, 75, 86, 90, 94, 99, 100, 110, 129, 132, 141, 150, 165, 172, 180, 188, 198, 215, 220, 225, 235, 258, 275, 282, 300, 330, 387, 396, 423, 430, 450, 470, 473, 495, 516, 517, 550, 564, 645, 660, 705, 774, 825, 846, 860, 900, 940, 946, 990, 1034, 1075, 1100, 1175, 1290, 1410, 1419, 1548, 1551, 1650, 1692, 1892, 1935, 1980, 2021, 2068, 2115, 2150, 2350, 2365, 2475, 2580, 2585, 2820, 2838, 3102, 3225, 3300, 3525, 3870, 4042, 4230, 4257, 4300, 4653, 4700, 4730, 4950, 5170, 5676, 6063, 6204, 6450, 7050, 7095, 7740, 7755, 8084, 8460, 8514, 9306, 9460, 9675, 9900, 10105, 10340, 10575, 11825, 12126, 12900, 12925, 14100, 14190, 15510, 17028, 18189, 18612, 19350, 20210, 21150, 21285, 22231, 23265, 23650, 24252, 25850, 28380, 30315, 31020, 35475, 36378, 38700, 38775, 40420, 42300, 42570, 44462, 46530, 47300, 50525, 51700, 60630, 66693, 70950, 72756, 77550, 85140, 88924, 90945, 93060, 101050, 106425, 111155, 116325, 121260, 133386, 141900, 151575, 155100, 181890, 200079, 202100, 212850, 222310, 232650, 266772, 303150, 333465, 363780, 400158, 425700, 444620, 454725, 465300, 555775, 606300, 666930, 800316, 909450, 1000395, 1111550, 1333860, 1667325, 1818900, 2000790, 2223100, 3334650, 4001580, 5001975, 6669300, 10003950, 20007900]

約数ペア:

[(1, 20007900), (2, 10003950), (3, 6669300), (4, 5001975), (5, 4001580), (6, 3334650), (9, 2223100), (10, 2000790), (11, 1818900), (12, 1667325), (15, 1333860), (18, 1111550), (20, 1000395), (22, 909450), (25, 800316), (30, 666930), (33, 606300), (36, 555775), (43, 465300), (44, 454725), (45, 444620), (47, 425700), (50, 400158), (55, 363780), (60, 333465), (66, 303150), (75, 266772), (86, 232650), (90, 222310), (94, 212850), (99, 202100), (100, 200079), (110, 181890), (129, 155100), (132, 151575), (141, 141900), (150, 133386), (165, 121260), (172, 116325), (180, 111155), (188, 106425), (198, 101050), (215, 93060), (220, 90945), (225, 88924), (235, 85140), (258, 77550), (275, 72756), (282, 70950), (300, 66693), (330, 60630), (387, 51700), (396, 50525), (423, 47300), (430, 46530), (450, 44462), (470, 42570), (473, 42300), (495, 40420), (516, 38775), (517, 38700), (550, 36378), (564, 35475), (645, 31020), (660, 30315), (705, 28380), (774, 25850), (825, 24252), (846, 23650), (860, 23265), (900, 22231), (940, 21285), (946, 21150), (990, 20210), (1034, 19350), (1075, 18612), (1100, 18189), (1175, 17028), (1290, 15510), (1410, 14190), (1419, 14100), (1548, 12925), (1551, 12900), (1650, 12126), (1692, 11825), (1892, 10575), (1935, 10340), (1980, 10105), (2021, 9900), (2068, 9675), (2115, 9460), (2150, 9306), (2350, 8514), (2365, 8460), (2475, 8084), (2580, 7755), (2585, 7740), (2820, 7095), (2838, 7050), (3102, 6450), (3225, 6204), (3300, 6063), (3525, 5676), (3870, 5170), (4042, 4950), (4230, 4730), (4257, 4700), (4300, 4653)]