20623200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 144

約数和(自身を含む): 72401616

約数和(自身を除く): 51778416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 661, 780, 800, 975, 1040, 1200, 1248, 1300, 1322, 1560, 1950, 1983, 2080, 2400, 2600, 2644, 3120, 3305, 3900, 3966, 5200, 5288, 6240, 6610, 7800, 7932, 8593, 9915, 10400, 10576, 13220, 15600, 15864, 16525, 17186, 19830, 21152, 25779, 26440, 31200, 31728, 33050, 34372, 39660, 42965, 49575, 51558, 52880, 63456, 66100, 68744, 79320, 85930, 99150, 103116, 105760, 128895, 132200, 137488, 158640, 171860, 198300, 206232, 214825, 257790, 264400, 274976, 317280, 343720, 396600, 412464, 429650, 515580, 528800, 644475, 687440, 793200, 824928, 859300, 1031160, 1288950, 1374880, 1586400, 1718600, 2062320, 2577900, 3437200, 4124640, 5155800, 6874400, 10311600, 20623200]

約数ペア:

[(1, 20623200), (2, 10311600), (3, 6874400), (4, 5155800), (5, 4124640), (6, 3437200), (8, 2577900), (10, 2062320), (12, 1718600), (13, 1586400), (15, 1374880), (16, 1288950), (20, 1031160), (24, 859300), (25, 824928), (26, 793200), (30, 687440), (32, 644475), (39, 528800), (40, 515580), (48, 429650), (50, 412464), (52, 396600), (60, 343720), (65, 317280), (75, 274976), (78, 264400), (80, 257790), (96, 214825), (100, 206232), (104, 198300), (120, 171860), (130, 158640), (150, 137488), (156, 132200), (160, 128895), (195, 105760), (200, 103116), (208, 99150), (240, 85930), (260, 79320), (300, 68744), (312, 66100), (325, 63456), (390, 52880), (400, 51558), (416, 49575), (480, 42965), (520, 39660), (600, 34372), (624, 33050), (650, 31728), (661, 31200), (780, 26440), (800, 25779), (975, 21152), (1040, 19830), (1200, 17186), (1248, 16525), (1300, 15864), (1322, 15600), (1560, 13220), (1950, 10576), (1983, 10400), (2080, 9915), (2400, 8593), (2600, 7932), (2644, 7800), (3120, 6610), (3305, 6240), (3900, 5288), (3966, 5200)]