20192480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 60328800

約数和(自身を除く): 40136320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 149, 154, 160, 176, 220, 224, 242, 280, 298, 308, 352, 385, 440, 484, 560, 596, 605, 616, 745, 770, 847, 880, 968, 1043, 1120, 1192, 1210, 1232, 1490, 1540, 1639, 1694, 1760, 1936, 2086, 2384, 2420, 2464, 2980, 3080, 3278, 3388, 3872, 4172, 4235, 4768, 4840, 5215, 5960, 6160, 6556, 6776, 8195, 8344, 8470, 9680, 10430, 11473, 11920, 12320, 13112, 13552, 16390, 16688, 16940, 18029, 19360, 20860, 22946, 23840, 26224, 27104, 32780, 33376, 33880, 36058, 41720, 45892, 52448, 57365, 65560, 67760, 72116, 83440, 90145, 91784, 114730, 126203, 131120, 135520, 144232, 166880, 180290, 183568, 229460, 252406, 262240, 288464, 360580, 367136, 458920, 504812, 576928, 631015, 721160, 917840, 1009624, 1262030, 1442320, 1835680, 2019248, 2524060, 2884640, 4038496, 5048120, 10096240, 20192480]

約数ペア:

[(1, 20192480), (2, 10096240), (4, 5048120), (5, 4038496), (7, 2884640), (8, 2524060), (10, 2019248), (11, 1835680), (14, 1442320), (16, 1262030), (20, 1009624), (22, 917840), (28, 721160), (32, 631015), (35, 576928), (40, 504812), (44, 458920), (55, 367136), (56, 360580), (70, 288464), (77, 262240), (80, 252406), (88, 229460), (110, 183568), (112, 180290), (121, 166880), (140, 144232), (149, 135520), (154, 131120), (160, 126203), (176, 114730), (220, 91784), (224, 90145), (242, 83440), (280, 72116), (298, 67760), (308, 65560), (352, 57365), (385, 52448), (440, 45892), (484, 41720), (560, 36058), (596, 33880), (605, 33376), (616, 32780), (745, 27104), (770, 26224), (847, 23840), (880, 22946), (968, 20860), (1043, 19360), (1120, 18029), (1192, 16940), (1210, 16688), (1232, 16390), (1490, 13552), (1540, 13112), (1639, 12320), (1694, 11920), (1760, 11473), (1936, 10430), (2086, 9680), (2384, 8470), (2420, 8344), (2464, 8195), (2980, 6776), (3080, 6556), (3278, 6160), (3388, 5960), (3872, 5215), (4172, 4840), (4235, 4768)]