20371608

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2601

約数の個数: 64

約数和(自身を含む): 58140000

約数和(自身を除く): 37768392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2549, 2664, 3996, 5098, 7647, 7992, 10196, 15294, 20392, 22941, 30588, 45882, 61176, 68823, 91764, 94313, 137646, 183528, 188626, 275292, 282939, 377252, 550584, 565878, 754504, 848817, 1131756, 1697634, 2263512, 2546451, 3395268, 5092902, 6790536, 10185804, 20371608]

約数ペア:

[(1, 20371608), (2, 10185804), (3, 6790536), (4, 5092902), (6, 3395268), (8, 2546451), (9, 2263512), (12, 1697634), (18, 1131756), (24, 848817), (27, 754504), (36, 565878), (37, 550584), (54, 377252), (72, 282939), (74, 275292), (108, 188626), (111, 183528), (148, 137646), (216, 94313), (222, 91764), (296, 68823), (333, 61176), (444, 45882), (666, 30588), (888, 22941), (999, 20392), (1332, 15294), (1998, 10196), (2549, 7992), (2664, 7647), (3996, 5098)]