20424510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 53389440

約数和(自身を除く): 32964930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 991, 1145, 1374, 1982, 2061, 2290, 2973, 3435, 4122, 4955, 5946, 6870, 8919, 9910, 10305, 14865, 17838, 20610, 29730, 44595, 89190, 226939, 453878, 680817, 1134695, 1361634, 2042451, 2269390, 3404085, 4084902, 6808170, 10212255, 20424510]

約数ペア:

[(1, 20424510), (2, 10212255), (3, 6808170), (5, 4084902), (6, 3404085), (9, 2269390), (10, 2042451), (15, 1361634), (18, 1134695), (30, 680817), (45, 453878), (90, 226939), (229, 89190), (458, 44595), (687, 29730), (991, 20610), (1145, 17838), (1374, 14865), (1982, 10305), (2061, 9910), (2290, 8919), (2973, 6870), (3435, 5946), (4122, 4955)]