20726928

素因数分解:

$2^4\times 3^6\times {\mathrm{1777}}^1$

素因数の和:1803

約数の個数: 70

約数和(自身を含む): 60243974

約数和(自身を除く): 39517046

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1777, 1944, 2916, 3554, 3888, 5331, 5832, 7108, 10662, 11664, 14216, 15993, 21324, 28432, 31986, 42648, 47979, 63972, 85296, 95958, 127944, 143937, 191916, 255888, 287874, 383832, 431811, 575748, 767664, 863622, 1151496, 1295433, 1727244, 2302992, 2590866, 3454488, 5181732, 6908976, 10363464, 20726928]

約数ペア:

[(1, 20726928), (2, 10363464), (3, 6908976), (4, 5181732), (6, 3454488), (8, 2590866), (9, 2302992), (12, 1727244), (16, 1295433), (18, 1151496), (24, 863622), (27, 767664), (36, 575748), (48, 431811), (54, 383832), (72, 287874), (81, 255888), (108, 191916), (144, 143937), (162, 127944), (216, 95958), (243, 85296), (324, 63972), (432, 47979), (486, 42648), (648, 31986), (729, 28432), (972, 21324), (1296, 15993), (1458, 14216), (1777, 11664), (1944, 10662), (2916, 7108), (3554, 5832), (3888, 5331)]