20216502612

素因数分解:

$2^2\times 3^6\times {\mathrm{17}}^1\times {\mathrm{407821}}^1$

素因数の和:407860

約数の個数: 84

約数和(自身を含む): 56164430196

約数和(自身を除く): 35947927584

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 729, 918, 972, 1377, 1458, 1836, 2754, 2916, 4131, 5508, 8262, 12393, 16524, 24786, 49572, 407821, 815642, 1223463, 1631284, 2446926, 3670389, 4893852, 6932957, 7340778, 11011167, 13865914, 14681556, 20798871, 22022334, 27731828, 33033501, 41597742, 44044668, 62396613, 66067002, 83195484, 99100503, 124793226, 132134004, 187189839, 198201006, 249586452, 297301509, 374379678, 396402012, 561569517, 594603018, 748759356, 1123139034, 1189206036, 1684708551, 2246278068, 3369417102, 5054125653, 6738834204, 10108251306, 20216502612]

約数ペア:

[(1, 20216502612), (2, 10108251306), (3, 6738834204), (4, 5054125653), (6, 3369417102), (9, 2246278068), (12, 1684708551), (17, 1189206036), (18, 1123139034), (27, 748759356), (34, 594603018), (36, 561569517), (51, 396402012), (54, 374379678), (68, 297301509), (81, 249586452), (102, 198201006), (108, 187189839), (153, 132134004), (162, 124793226), (204, 99100503), (243, 83195484), (306, 66067002), (324, 62396613), (459, 44044668), (486, 41597742), (612, 33033501), (729, 27731828), (918, 22022334), (972, 20798871), (1377, 14681556), (1458, 13865914), (1836, 11011167), (2754, 7340778), (2916, 6932957), (4131, 4893852), (5508, 3670389), (8262, 2446926), (12393, 1631284), (16524, 1223463), (24786, 815642), (49572, 407821)]