20506464

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6473}}^1$

素因数の和:6500

約数の個数: 72

約数和(自身を含む): 63626472

約数和(自身を除く): 43120008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6473, 12946, 19419, 25892, 38838, 51784, 58257, 71203, 77676, 103568, 116514, 142406, 155352, 207136, 213609, 233028, 284812, 310704, 427218, 466056, 569624, 621408, 640827, 854436, 932112, 1139248, 1281654, 1708872, 1864224, 2278496, 2563308, 3417744, 5126616, 6835488, 10253232, 20506464]

約数ペア:

[(1, 20506464), (2, 10253232), (3, 6835488), (4, 5126616), (6, 3417744), (8, 2563308), (9, 2278496), (11, 1864224), (12, 1708872), (16, 1281654), (18, 1139248), (22, 932112), (24, 854436), (32, 640827), (33, 621408), (36, 569624), (44, 466056), (48, 427218), (66, 310704), (72, 284812), (88, 233028), (96, 213609), (99, 207136), (132, 155352), (144, 142406), (176, 116514), (198, 103568), (264, 77676), (288, 71203), (352, 58257), (396, 51784), (528, 38838), (792, 25892), (1056, 19419), (1584, 12946), (3168, 6473)]