20120724

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 60191208

約数和(自身を除く): 40070484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 281, 306, 324, 351, 442, 459, 468, 562, 612, 663, 702, 843, 884, 918, 1053, 1124, 1326, 1377, 1404, 1686, 1836, 1989, 2106, 2529, 2652, 2754, 3372, 3653, 3978, 4212, 4777, 5058, 5508, 5967, 7306, 7587, 7956, 9554, 10116, 10959, 11934, 14331, 14612, 15174, 17901, 19108, 21918, 22761, 23868, 28662, 30348, 32877, 35802, 42993, 43836, 45522, 57324, 62101, 65754, 71604, 85986, 91044, 98631, 124202, 128979, 131508, 171972, 186303, 197262, 248404, 257958, 295893, 372606, 386937, 394524, 515916, 558909, 591786, 745212, 773874, 1117818, 1183572, 1547748, 1676727, 2235636, 3353454, 5030181, 6706908, 10060362, 20120724]

約数ペア:

[(1, 20120724), (2, 10060362), (3, 6706908), (4, 5030181), (6, 3353454), (9, 2235636), (12, 1676727), (13, 1547748), (17, 1183572), (18, 1117818), (26, 773874), (27, 745212), (34, 591786), (36, 558909), (39, 515916), (51, 394524), (52, 386937), (54, 372606), (68, 295893), (78, 257958), (81, 248404), (102, 197262), (108, 186303), (117, 171972), (153, 131508), (156, 128979), (162, 124202), (204, 98631), (221, 91044), (234, 85986), (281, 71604), (306, 65754), (324, 62101), (351, 57324), (442, 45522), (459, 43836), (468, 42993), (562, 35802), (612, 32877), (663, 30348), (702, 28662), (843, 23868), (884, 22761), (918, 21918), (1053, 19108), (1124, 17901), (1326, 15174), (1377, 14612), (1404, 14331), (1686, 11934), (1836, 10959), (1989, 10116), (2106, 9554), (2529, 7956), (2652, 7587), (2754, 7306), (3372, 5967), (3653, 5508), (3978, 5058), (4212, 4777)]