20570968

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 22521032

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 121, 158, 242, 269, 316, 484, 538, 632, 869, 968, 1076, 1738, 2152, 2959, 3476, 5918, 6952, 9559, 11836, 19118, 21251, 23672, 32549, 38236, 42502, 65098, 76472, 85004, 130196, 170008, 233761, 260392, 467522, 935044, 1870088, 2571371, 5142742, 10285484, 20570968]

約数ペア:

[(1, 20570968), (2, 10285484), (4, 5142742), (8, 2571371), (11, 1870088), (22, 935044), (44, 467522), (79, 260392), (88, 233761), (121, 170008), (158, 130196), (242, 85004), (269, 76472), (316, 65098), (484, 42502), (538, 38236), (632, 32549), (869, 23672), (968, 21251), (1076, 19118), (1738, 11836), (2152, 9559), (2959, 6952), (3476, 5918)]