20792646

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 53660160

約数和(自身を除く): 32867514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 821, 938, 1206, 1407, 1642, 1809, 2463, 2814, 3618, 4221, 4926, 5747, 7389, 8442, 11494, 12663, 14778, 17241, 22167, 25326, 34482, 44334, 51723, 55007, 103446, 110014, 155169, 165021, 310338, 330042, 385049, 495063, 770098, 990126, 1155147, 1485189, 2310294, 2970378, 3465441, 6930882, 10396323, 20792646]

約数ペア:

[(1, 20792646), (2, 10396323), (3, 6930882), (6, 3465441), (7, 2970378), (9, 2310294), (14, 1485189), (18, 1155147), (21, 990126), (27, 770098), (42, 495063), (54, 385049), (63, 330042), (67, 310338), (126, 165021), (134, 155169), (189, 110014), (201, 103446), (378, 55007), (402, 51723), (469, 44334), (603, 34482), (821, 25326), (938, 22167), (1206, 17241), (1407, 14778), (1642, 12663), (1809, 11494), (2463, 8442), (2814, 7389), (3618, 5747), (4221, 4926)]