20157378

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 24494142

約数列:

[1, 2, 3, 6, 29, 31, 37, 58, 62, 74, 87, 93, 101, 111, 174, 186, 202, 222, 303, 606, 899, 1073, 1147, 1798, 2146, 2294, 2697, 2929, 3131, 3219, 3441, 3737, 5394, 5858, 6262, 6438, 6882, 7474, 8787, 9393, 11211, 17574, 18786, 22422, 33263, 66526, 90799, 99789, 108373, 115847, 181598, 199578, 216746, 231694, 272397, 325119, 347541, 544794, 650238, 695082, 3359563, 6719126, 10078689, 20157378]

約数ペア:

[(1, 20157378), (2, 10078689), (3, 6719126), (6, 3359563), (29, 695082), (31, 650238), (37, 544794), (58, 347541), (62, 325119), (74, 272397), (87, 231694), (93, 216746), (101, 199578), (111, 181598), (174, 115847), (186, 108373), (202, 99789), (222, 90799), (303, 66526), (606, 33263), (899, 22422), (1073, 18786), (1147, 17574), (1798, 11211), (2146, 9393), (2294, 8787), (2697, 7474), (2929, 6882), (3131, 6438), (3219, 6262), (3441, 5858), (3737, 5394)]