20405462

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 40580352

約数和(自身を除く): 20174890

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 823, 1078, 1127, 1646, 1771, 2254, 3542, 5761, 9053, 11522, 12397, 18106, 18929, 24794, 37858, 40327, 63371, 80654, 126742, 132503, 208219, 265006, 416438, 443597, 887194, 927521, 1457533, 1855042, 2915066, 10202731, 20405462]

約数ペア:

[(1, 20405462), (2, 10202731), (7, 2915066), (11, 1855042), (14, 1457533), (22, 927521), (23, 887194), (46, 443597), (49, 416438), (77, 265006), (98, 208219), (154, 132503), (161, 126742), (253, 80654), (322, 63371), (506, 40327), (539, 37858), (823, 24794), (1078, 18929), (1127, 18106), (1646, 12397), (1771, 11522), (2254, 9053), (3542, 5761)]