20677140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 71386560

約数和(自身を除く): 50709420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 59, 60, 66, 90, 99, 108, 110, 118, 132, 135, 165, 177, 180, 198, 220, 236, 270, 295, 297, 330, 354, 396, 495, 531, 540, 590, 594, 649, 660, 708, 885, 990, 1062, 1180, 1188, 1298, 1485, 1593, 1770, 1947, 1980, 2124, 2596, 2655, 2970, 3186, 3245, 3481, 3540, 3894, 5310, 5841, 5940, 6372, 6490, 6962, 7788, 7965, 9735, 10443, 10620, 11682, 12980, 13924, 15930, 17405, 17523, 19470, 20886, 23364, 29205, 31329, 31860, 34810, 35046, 38291, 38940, 41772, 52215, 58410, 62658, 69620, 70092, 76582, 87615, 93987, 104430, 114873, 116820, 125316, 153164, 156645, 175230, 187974, 191455, 208860, 229746, 313290, 344619, 350460, 375948, 382910, 459492, 469935, 574365, 626580, 689238, 765820, 939870, 1033857, 1148730, 1378476, 1723095, 1879740, 2067714, 2297460, 3446190, 4135428, 5169285, 6892380, 10338570, 20677140]

約数ペア:

[(1, 20677140), (2, 10338570), (3, 6892380), (4, 5169285), (5, 4135428), (6, 3446190), (9, 2297460), (10, 2067714), (11, 1879740), (12, 1723095), (15, 1378476), (18, 1148730), (20, 1033857), (22, 939870), (27, 765820), (30, 689238), (33, 626580), (36, 574365), (44, 469935), (45, 459492), (54, 382910), (55, 375948), (59, 350460), (60, 344619), (66, 313290), (90, 229746), (99, 208860), (108, 191455), (110, 187974), (118, 175230), (132, 156645), (135, 153164), (165, 125316), (177, 116820), (180, 114873), (198, 104430), (220, 93987), (236, 87615), (270, 76582), (295, 70092), (297, 69620), (330, 62658), (354, 58410), (396, 52215), (495, 41772), (531, 38940), (540, 38291), (590, 35046), (594, 34810), (649, 31860), (660, 31329), (708, 29205), (885, 23364), (990, 20886), (1062, 19470), (1180, 17523), (1188, 17405), (1298, 15930), (1485, 13924), (1593, 12980), (1770, 11682), (1947, 10620), (1980, 10443), (2124, 9735), (2596, 7965), (2655, 7788), (2970, 6962), (3186, 6490), (3245, 6372), (3481, 5940), (3540, 5841), (3894, 5310)]