20151868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 22032932

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 116, 187, 319, 374, 493, 638, 748, 929, 986, 1276, 1858, 1972, 3716, 5423, 10219, 10846, 15793, 20438, 21692, 26941, 31586, 40876, 53882, 63172, 107764, 173723, 296351, 347446, 457997, 592702, 694892, 915994, 1185404, 1831988, 5037967, 10075934, 20151868]

約数ペア:

[(1, 20151868), (2, 10075934), (4, 5037967), (11, 1831988), (17, 1185404), (22, 915994), (29, 694892), (34, 592702), (44, 457997), (58, 347446), (68, 296351), (116, 173723), (187, 107764), (319, 63172), (374, 53882), (493, 40876), (638, 31586), (748, 26941), (929, 21692), (986, 20438), (1276, 15793), (1858, 10846), (1972, 10219), (3716, 5423)]