20635048

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 47496960

約数和(自身を除く): 26861912

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 37, 46, 56, 74, 92, 148, 161, 184, 259, 296, 322, 433, 518, 644, 851, 866, 1036, 1288, 1702, 1732, 2072, 3031, 3404, 3464, 5957, 6062, 6808, 9959, 11914, 12124, 16021, 19918, 23828, 24248, 32042, 39836, 47656, 64084, 69713, 79672, 112147, 128168, 139426, 224294, 278852, 368483, 448588, 557704, 736966, 897176, 1473932, 2579381, 2947864, 5158762, 10317524, 20635048]

約数ペア:

[(1, 20635048), (2, 10317524), (4, 5158762), (7, 2947864), (8, 2579381), (14, 1473932), (23, 897176), (28, 736966), (37, 557704), (46, 448588), (56, 368483), (74, 278852), (92, 224294), (148, 139426), (161, 128168), (184, 112147), (259, 79672), (296, 69713), (322, 64084), (433, 47656), (518, 39836), (644, 32042), (851, 24248), (866, 23828), (1036, 19918), (1288, 16021), (1702, 12124), (1732, 11914), (2072, 9959), (3031, 6808), (3404, 6062), (3464, 5957)]