20876304878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{148061}}^1$

素因数の和:148133

約数の個数: 64

約数和(自身を含む): 40296553920

約数和(自身を除く): 19420249042

約数列:

[1, 2, 11, 13, 17, 22, 26, 29, 34, 58, 143, 187, 221, 286, 319, 374, 377, 442, 493, 638, 754, 986, 2431, 4147, 4862, 5423, 6409, 8294, 10846, 12818, 70499, 140998, 148061, 296122, 1628671, 1924793, 2517037, 3257342, 3849586, 4293769, 5034074, 8587538, 21172723, 27687407, 32721481, 42345446, 47231459, 55374814, 55818997, 65442962, 72994073, 94462918, 111637994, 145988146, 359936291, 614008967, 719872582, 802934803, 948922949, 1228017934, 1605869606, 1897845898, 10438152439, 20876304878]

約数ペア:

[(1, 20876304878), (2, 10438152439), (11, 1897845898), (13, 1605869606), (17, 1228017934), (22, 948922949), (26, 802934803), (29, 719872582), (34, 614008967), (58, 359936291), (143, 145988146), (187, 111637994), (221, 94462918), (286, 72994073), (319, 65442962), (374, 55818997), (377, 55374814), (442, 47231459), (493, 42345446), (638, 32721481), (754, 27687407), (986, 21172723), (2431, 8587538), (4147, 5034074), (4862, 4293769), (5423, 3849586), (6409, 3257342), (8294, 2517037), (10846, 1924793), (12818, 1628671), (70499, 296122), (140998, 148061)]