20084008

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 25275992

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 83, 116, 149, 166, 203, 232, 298, 332, 406, 581, 596, 664, 812, 1043, 1162, 1192, 1624, 2086, 2324, 2407, 4172, 4321, 4648, 4814, 8344, 8642, 9628, 12367, 16849, 17284, 19256, 24734, 30247, 33698, 34568, 49468, 60494, 67396, 86569, 98936, 120988, 134792, 173138, 241976, 346276, 358643, 692552, 717286, 1434572, 2510501, 2869144, 5021002, 10042004, 20084008]

約数ペア:

[(1, 20084008), (2, 10042004), (4, 5021002), (7, 2869144), (8, 2510501), (14, 1434572), (28, 717286), (29, 692552), (56, 358643), (58, 346276), (83, 241976), (116, 173138), (149, 134792), (166, 120988), (203, 98936), (232, 86569), (298, 67396), (332, 60494), (406, 49468), (581, 34568), (596, 33698), (664, 30247), (812, 24734), (1043, 19256), (1162, 17284), (1192, 16849), (1624, 12367), (2086, 9628), (2324, 8642), (2407, 8344), (4172, 4814), (4321, 4648)]