20411568

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 80

約数和(自身を含む): 60219360

約数和(自身を除く): 39807792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1277, 1332, 1776, 1998, 2554, 2664, 3831, 3996, 5108, 5328, 7662, 7992, 10216, 11493, 15324, 15984, 20432, 22986, 30648, 34479, 45972, 47249, 61296, 68958, 91944, 94498, 137916, 141747, 183888, 188996, 275832, 283494, 377992, 425241, 551664, 566988, 755984, 850482, 1133976, 1275723, 1700964, 2267952, 2551446, 3401928, 5102892, 6803856, 10205784, 20411568]

約数ペア:

[(1, 20411568), (2, 10205784), (3, 6803856), (4, 5102892), (6, 3401928), (8, 2551446), (9, 2267952), (12, 1700964), (16, 1275723), (18, 1133976), (24, 850482), (27, 755984), (36, 566988), (37, 551664), (48, 425241), (54, 377992), (72, 283494), (74, 275832), (108, 188996), (111, 183888), (144, 141747), (148, 137916), (216, 94498), (222, 91944), (296, 68958), (333, 61296), (432, 47249), (444, 45972), (592, 34479), (666, 30648), (888, 22986), (999, 20432), (1277, 15984), (1332, 15324), (1776, 11493), (1998, 10216), (2554, 7992), (2664, 7662), (3831, 5328), (3996, 5108)]