20420496

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1424

約数の個数: 60

約数和(自身を含む): 57717660

約数和(自身を除く): 37297164

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1301, 1308, 1744, 1962, 2602, 2616, 3903, 3924, 5204, 5232, 7806, 7848, 10408, 11709, 15612, 15696, 20816, 23418, 31224, 46836, 62448, 93672, 141809, 187344, 283618, 425427, 567236, 850854, 1134472, 1276281, 1701708, 2268944, 2552562, 3403416, 5105124, 6806832, 10210248, 20420496]

約数ペア:

[(1, 20420496), (2, 10210248), (3, 6806832), (4, 5105124), (6, 3403416), (8, 2552562), (9, 2268944), (12, 1701708), (16, 1276281), (18, 1134472), (24, 850854), (36, 567236), (48, 425427), (72, 283618), (109, 187344), (144, 141809), (218, 93672), (327, 62448), (436, 46836), (654, 31224), (872, 23418), (981, 20816), (1301, 15696), (1308, 15612), (1744, 11709), (1962, 10408), (2602, 7848), (2616, 7806), (3903, 5232), (3924, 5204)]