20037985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 28771200

約数和(自身を除く): 8733215

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 739, 935, 1595, 2465, 3695, 5423, 8129, 12563, 21431, 27115, 40645, 62815, 107155, 138193, 235741, 364327, 690965, 1178705, 1821635, 4007597, 20037985]

約数ペア:

[(1, 20037985), (5, 4007597), (11, 1821635), (17, 1178705), (29, 690965), (55, 364327), (85, 235741), (145, 138193), (187, 107155), (319, 62815), (493, 40645), (739, 27115), (935, 21431), (1595, 12563), (2465, 8129), (3695, 5423)]