20449584

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 100

約数和(自身を含む): 61216320

約数和(自身を除く): 40766736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 248, 279, 324, 372, 432, 496, 509, 558, 648, 744, 837, 1018, 1116, 1296, 1488, 1527, 1674, 2036, 2232, 2511, 3054, 3348, 4072, 4464, 4581, 5022, 6108, 6696, 8144, 9162, 10044, 12216, 13392, 13743, 15779, 18324, 20088, 24432, 27486, 31558, 36648, 40176, 41229, 47337, 54972, 63116, 73296, 82458, 94674, 109944, 126232, 142011, 164916, 189348, 219888, 252464, 284022, 329832, 378696, 426033, 568044, 659664, 757392, 852066, 1136088, 1278099, 1704132, 2272176, 2556198, 3408264, 5112396, 6816528, 10224792, 20449584]

約数ペア:

[(1, 20449584), (2, 10224792), (3, 6816528), (4, 5112396), (6, 3408264), (8, 2556198), (9, 2272176), (12, 1704132), (16, 1278099), (18, 1136088), (24, 852066), (27, 757392), (31, 659664), (36, 568044), (48, 426033), (54, 378696), (62, 329832), (72, 284022), (81, 252464), (93, 219888), (108, 189348), (124, 164916), (144, 142011), (162, 126232), (186, 109944), (216, 94674), (248, 82458), (279, 73296), (324, 63116), (372, 54972), (432, 47337), (496, 41229), (509, 40176), (558, 36648), (648, 31558), (744, 27486), (837, 24432), (1018, 20088), (1116, 18324), (1296, 15779), (1488, 13743), (1527, 13392), (1674, 12216), (2036, 10044), (2232, 9162), (2511, 8144), (3054, 6696), (3348, 6108), (4072, 5022), (4464, 4581)]