20885040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:329

約数の個数: 200

約数和(自身を含む): 79401168

約数和(自身を除く): 58516128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 293, 297, 324, 330, 360, 396, 405, 432, 440, 495, 528, 540, 586, 594, 648, 660, 720, 792, 810, 879, 880, 891, 990, 1080, 1172, 1188, 1296, 1320, 1465, 1485, 1584, 1620, 1758, 1782, 1980, 2160, 2344, 2376, 2637, 2640, 2930, 2970, 3223, 3240, 3516, 3564, 3960, 4395, 4455, 4688, 4752, 5274, 5860, 5940, 6446, 6480, 7032, 7128, 7911, 7920, 8790, 8910, 9669, 10548, 11720, 11880, 12892, 13185, 14064, 14256, 15822, 16115, 17580, 17820, 19338, 21096, 23440, 23733, 23760, 25784, 26370, 29007, 31644, 32230, 35160, 35640, 38676, 39555, 42192, 47466, 48345, 51568, 52740, 58014, 63288, 64460, 70320, 71280, 77352, 79110, 87021, 94932, 96690, 105480, 116028, 118665, 126576, 128920, 145035, 154704, 158220, 174042, 189864, 193380, 210960, 232056, 237330, 257840, 261063, 290070, 316440, 348084, 379728, 386760, 435105, 464112, 474660, 522126, 580140, 632880, 696168, 773520, 870210, 949320, 1044252, 1160280, 1305315, 1392336, 1740420, 1898640, 2088504, 2320560, 2610630, 3480840, 4177008, 5221260, 6961680, 10442520, 20885040]

約数ペア:

[(1, 20885040), (2, 10442520), (3, 6961680), (4, 5221260), (5, 4177008), (6, 3480840), (8, 2610630), (9, 2320560), (10, 2088504), (11, 1898640), (12, 1740420), (15, 1392336), (16, 1305315), (18, 1160280), (20, 1044252), (22, 949320), (24, 870210), (27, 773520), (30, 696168), (33, 632880), (36, 580140), (40, 522126), (44, 474660), (45, 464112), (48, 435105), (54, 386760), (55, 379728), (60, 348084), (66, 316440), (72, 290070), (80, 261063), (81, 257840), (88, 237330), (90, 232056), (99, 210960), (108, 193380), (110, 189864), (120, 174042), (132, 158220), (135, 154704), (144, 145035), (162, 128920), (165, 126576), (176, 118665), (180, 116028), (198, 105480), (216, 96690), (220, 94932), (240, 87021), (264, 79110), (270, 77352), (293, 71280), (297, 70320), (324, 64460), (330, 63288), (360, 58014), (396, 52740), (405, 51568), (432, 48345), (440, 47466), (495, 42192), (528, 39555), (540, 38676), (586, 35640), (594, 35160), (648, 32230), (660, 31644), (720, 29007), (792, 26370), (810, 25784), (879, 23760), (880, 23733), (891, 23440), (990, 21096), (1080, 19338), (1172, 17820), (1188, 17580), (1296, 16115), (1320, 15822), (1465, 14256), (1485, 14064), (1584, 13185), (1620, 12892), (1758, 11880), (1782, 11720), (1980, 10548), (2160, 9669), (2344, 8910), (2376, 8790), (2637, 7920), (2640, 7911), (2930, 7128), (2970, 7032), (3223, 6480), (3240, 6446), (3516, 5940), (3564, 5860), (3960, 5274), (4395, 4752), (4455, 4688)]