20619000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 73008000

約数和(自身を除く): 52389000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 72, 75, 79, 87, 90, 100, 116, 120, 125, 145, 150, 158, 174, 180, 200, 225, 232, 237, 250, 261, 290, 300, 316, 348, 360, 375, 395, 435, 450, 474, 500, 522, 580, 600, 632, 696, 711, 725, 750, 790, 870, 900, 948, 1000, 1044, 1125, 1160, 1185, 1305, 1422, 1450, 1500, 1580, 1740, 1800, 1896, 1975, 2088, 2175, 2250, 2291, 2370, 2610, 2844, 2900, 3000, 3160, 3480, 3555, 3625, 3950, 4350, 4500, 4582, 4740, 5220, 5688, 5800, 5925, 6525, 6873, 7110, 7250, 7900, 8700, 9000, 9164, 9480, 9875, 10440, 10875, 11455, 11850, 13050, 13746, 14220, 14500, 15800, 17400, 17775, 18328, 19750, 20619, 21750, 22910, 23700, 26100, 27492, 28440, 29000, 29625, 32625, 34365, 35550, 39500, 41238, 43500, 45820, 47400, 52200, 54984, 57275, 59250, 65250, 68730, 71100, 79000, 82476, 87000, 88875, 91640, 103095, 114550, 118500, 130500, 137460, 142200, 164952, 171825, 177750, 206190, 229100, 237000, 261000, 274920, 286375, 343650, 355500, 412380, 458200, 515475, 572750, 687300, 711000, 824760, 859125, 1030950, 1145500, 1374600, 1718250, 2061900, 2291000, 2577375, 3436500, 4123800, 5154750, 6873000, 10309500, 20619000]

約数ペア:

[(1, 20619000), (2, 10309500), (3, 6873000), (4, 5154750), (5, 4123800), (6, 3436500), (8, 2577375), (9, 2291000), (10, 2061900), (12, 1718250), (15, 1374600), (18, 1145500), (20, 1030950), (24, 859125), (25, 824760), (29, 711000), (30, 687300), (36, 572750), (40, 515475), (45, 458200), (50, 412380), (58, 355500), (60, 343650), (72, 286375), (75, 274920), (79, 261000), (87, 237000), (90, 229100), (100, 206190), (116, 177750), (120, 171825), (125, 164952), (145, 142200), (150, 137460), (158, 130500), (174, 118500), (180, 114550), (200, 103095), (225, 91640), (232, 88875), (237, 87000), (250, 82476), (261, 79000), (290, 71100), (300, 68730), (316, 65250), (348, 59250), (360, 57275), (375, 54984), (395, 52200), (435, 47400), (450, 45820), (474, 43500), (500, 41238), (522, 39500), (580, 35550), (600, 34365), (632, 32625), (696, 29625), (711, 29000), (725, 28440), (750, 27492), (790, 26100), (870, 23700), (900, 22910), (948, 21750), (1000, 20619), (1044, 19750), (1125, 18328), (1160, 17775), (1185, 17400), (1305, 15800), (1422, 14500), (1450, 14220), (1500, 13746), (1580, 13050), (1740, 11850), (1800, 11455), (1896, 10875), (1975, 10440), (2088, 9875), (2175, 9480), (2250, 9164), (2291, 9000), (2370, 8700), (2610, 7900), (2844, 7250), (2900, 7110), (3000, 6873), (3160, 6525), (3480, 5925), (3555, 5800), (3625, 5688), (3950, 5220), (4350, 4740), (4500, 4582)]