20398392

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{1499}}^1$

素因数の和:1527

約数の個数: 96

約数和(自身を含む): 65520000

約数和(自身を除く): 45121608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1499, 1512, 1701, 1944, 2268, 2998, 3402, 4497, 4536, 5996, 6804, 8994, 10493, 11992, 13491, 13608, 17988, 20986, 26982, 31479, 35976, 40473, 41972, 53964, 62958, 80946, 83944, 94437, 107928, 121419, 125916, 161892, 188874, 242838, 251832, 283311, 323784, 364257, 377748, 485676, 566622, 728514, 755496, 849933, 971352, 1133244, 1457028, 1699866, 2266488, 2549799, 2914056, 3399732, 5099598, 6799464, 10199196, 20398392]

約数ペア:

[(1, 20398392), (2, 10199196), (3, 6799464), (4, 5099598), (6, 3399732), (7, 2914056), (8, 2549799), (9, 2266488), (12, 1699866), (14, 1457028), (18, 1133244), (21, 971352), (24, 849933), (27, 755496), (28, 728514), (36, 566622), (42, 485676), (54, 377748), (56, 364257), (63, 323784), (72, 283311), (81, 251832), (84, 242838), (108, 188874), (126, 161892), (162, 125916), (168, 121419), (189, 107928), (216, 94437), (243, 83944), (252, 80946), (324, 62958), (378, 53964), (486, 41972), (504, 40473), (567, 35976), (648, 31479), (756, 26982), (972, 20986), (1134, 17988), (1499, 13608), (1512, 13491), (1701, 11992), (1944, 10493), (2268, 8994), (2998, 6804), (3402, 5996), (4497, 4536)]