20156169

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 34283520

約数和(自身を除く): 14127351

約数列:

[1, 3, 11, 17, 19, 31, 33, 51, 57, 61, 93, 183, 187, 209, 323, 341, 527, 561, 589, 627, 671, 969, 1023, 1037, 1159, 1581, 1767, 1891, 2013, 3111, 3477, 3553, 5673, 5797, 6479, 10013, 10659, 11407, 12749, 17391, 19437, 19703, 20801, 30039, 32147, 34221, 35929, 38247, 59109, 62403, 96441, 107787, 110143, 216733, 330429, 353617, 395219, 610793, 650199, 1060851, 1185657, 1832379, 6718723, 20156169]

約数ペア:

[(1, 20156169), (3, 6718723), (11, 1832379), (17, 1185657), (19, 1060851), (31, 650199), (33, 610793), (51, 395219), (57, 353617), (61, 330429), (93, 216733), (183, 110143), (187, 107787), (209, 96441), (323, 62403), (341, 59109), (527, 38247), (561, 35929), (589, 34221), (627, 32147), (671, 30039), (969, 20801), (1023, 19703), (1037, 19437), (1159, 17391), (1581, 12749), (1767, 11407), (1891, 10659), (2013, 10013), (3111, 6479), (3477, 5797), (3553, 5673)]