20299422

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 28326498

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 401, 429, 649, 767, 802, 858, 1203, 1298, 1534, 1947, 2301, 2406, 3894, 4411, 4602, 5213, 8437, 8822, 10426, 13233, 15639, 16874, 23659, 25311, 26466, 31278, 47318, 50622, 57343, 70977, 114686, 141954, 172029, 260249, 307567, 344058, 520498, 615134, 780747, 922701, 1561494, 1845402, 3383237, 6766474, 10149711, 20299422]

約数ペア:

[(1, 20299422), (2, 10149711), (3, 6766474), (6, 3383237), (11, 1845402), (13, 1561494), (22, 922701), (26, 780747), (33, 615134), (39, 520498), (59, 344058), (66, 307567), (78, 260249), (118, 172029), (143, 141954), (177, 114686), (286, 70977), (354, 57343), (401, 50622), (429, 47318), (649, 31278), (767, 26466), (802, 25311), (858, 23659), (1203, 16874), (1298, 15639), (1534, 13233), (1947, 10426), (2301, 8822), (2406, 8437), (3894, 5213), (4411, 4602)]