20717856

素因数分解:

$2^5\times 3^4\times {\mathrm{7993}}^1$

素因数の和:8015

約数の個数: 60

約数和(自身を含む): 60938262

約数和(自身を除く): 40220406

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7993, 15986, 23979, 31972, 47958, 63944, 71937, 95916, 127888, 143874, 191832, 215811, 255776, 287748, 383664, 431622, 575496, 647433, 767328, 863244, 1150992, 1294866, 1726488, 2301984, 2589732, 3452976, 5179464, 6905952, 10358928, 20717856]

約数ペア:

[(1, 20717856), (2, 10358928), (3, 6905952), (4, 5179464), (6, 3452976), (8, 2589732), (9, 2301984), (12, 1726488), (16, 1294866), (18, 1150992), (24, 863244), (27, 767328), (32, 647433), (36, 575496), (48, 431622), (54, 383664), (72, 287748), (81, 255776), (96, 215811), (108, 191832), (144, 143874), (162, 127888), (216, 95916), (288, 71937), (324, 63944), (432, 47958), (648, 31972), (864, 23979), (1296, 15986), (2592, 7993)]