20935684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 46198656

約数和(自身を除く): 25262972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 673, 707, 1111, 1346, 1414, 2222, 2692, 2828, 4444, 4711, 7403, 7777, 9422, 14806, 15554, 18844, 29612, 31108, 51821, 67973, 103642, 135946, 207284, 271892, 475811, 747703, 951622, 1495406, 1903244, 2990812, 5233921, 10467842, 20935684]

約数ペア:

[(1, 20935684), (2, 10467842), (4, 5233921), (7, 2990812), (11, 1903244), (14, 1495406), (22, 951622), (28, 747703), (44, 475811), (77, 271892), (101, 207284), (154, 135946), (202, 103642), (308, 67973), (404, 51821), (673, 31108), (707, 29612), (1111, 18844), (1346, 15554), (1414, 14806), (2222, 9422), (2692, 7777), (2828, 7403), (4444, 4711)]