20702977290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1270901}}^1$

素因数の和:1271095

約数の個数: 48

約数和(自身を含む): 54125174376

約数和(自身を除く): 33422197086

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 5430, 8145, 16290, 1270901, 2541802, 3812703, 6354505, 7625406, 11438109, 12709010, 19063515, 22876218, 38127030, 57190545, 114381090, 230033081, 460066162, 690099243, 1150165405, 1380198486, 2070297729, 2300330810, 3450496215, 4140595458, 6900992430, 10351488645, 20702977290]

約数ペア:

[(1, 20702977290), (2, 10351488645), (3, 6900992430), (5, 4140595458), (6, 3450496215), (9, 2300330810), (10, 2070297729), (15, 1380198486), (18, 1150165405), (30, 690099243), (45, 460066162), (90, 230033081), (181, 114381090), (362, 57190545), (543, 38127030), (905, 22876218), (1086, 19063515), (1629, 12709010), (1810, 11438109), (2715, 7625406), (3258, 6354505), (5430, 3812703), (8145, 2541802), (16290, 1270901)]