20123856

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 39247344

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, 1259, 1332, 1776, 1998, 2518, 2664, 3777, 3996, 5036, 5328, 7554, 7992, 10072, 11331, 15108, 15984, 20144, 22662, 30216, 33993, 45324, 46583, 60432, 67986, 90648, 93166, 135972, 139749, 181296, 186332, 271944, 279498, 372664, 419247, 543888, 558996, 745328, 838494, 1117992, 1257741, 1676988, 2235984, 2515482, 3353976, 5030964, 6707952, 10061928, 20123856]

約数ペア:

[(1, 20123856), (2, 10061928), (3, 6707952), (4, 5030964), (6, 3353976), (8, 2515482), (9, 2235984), (12, 1676988), (16, 1257741), (18, 1117992), (24, 838494), (27, 745328), (36, 558996), (37, 543888), (48, 419247), (54, 372664), (72, 279498), (74, 271944), (108, 186332), (111, 181296), (144, 139749), (148, 135972), (216, 93166), (222, 90648), (296, 67986), (333, 60432), (432, 46583), (444, 45324), (592, 33993), (666, 30216), (888, 22662), (999, 20144), (1259, 15984), (1332, 15108), (1776, 11331), (1998, 10072), (2518, 7992), (2664, 7554), (3777, 5328), (3996, 5036)]