20908944

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20743}}^1$

素因数の和:20764

約数の個数: 60

約数和(自身を含む): 66878656

約数和(自身を除く): 45969712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20743, 41486, 62229, 82972, 124458, 145201, 165944, 186687, 248916, 290402, 331888, 373374, 435603, 497832, 580804, 746748, 871206, 995664, 1161608, 1306809, 1493496, 1742412, 2323216, 2613618, 2986992, 3484824, 5227236, 6969648, 10454472, 20908944]

約数ペア:

[(1, 20908944), (2, 10454472), (3, 6969648), (4, 5227236), (6, 3484824), (7, 2986992), (8, 2613618), (9, 2323216), (12, 1742412), (14, 1493496), (16, 1306809), (18, 1161608), (21, 995664), (24, 871206), (28, 746748), (36, 580804), (42, 497832), (48, 435603), (56, 373374), (63, 331888), (72, 290402), (84, 248916), (112, 186687), (126, 165944), (144, 145201), (168, 124458), (252, 82972), (336, 62229), (504, 41486), (1008, 20743)]