20008488

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 51782400

約数和(自身を除く): 31773912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 79, 122, 158, 173, 183, 237, 244, 316, 346, 366, 474, 488, 519, 632, 692, 732, 948, 1038, 1384, 1464, 1896, 2076, 4152, 4819, 9638, 10553, 13667, 14457, 19276, 21106, 27334, 28914, 31659, 38552, 41001, 42212, 54668, 57828, 63318, 82002, 84424, 109336, 115656, 126636, 164004, 253272, 328008, 833687, 1667374, 2501061, 3334748, 5002122, 6669496, 10004244, 20008488]

約数ペア:

[(1, 20008488), (2, 10004244), (3, 6669496), (4, 5002122), (6, 3334748), (8, 2501061), (12, 1667374), (24, 833687), (61, 328008), (79, 253272), (122, 164004), (158, 126636), (173, 115656), (183, 109336), (237, 84424), (244, 82002), (316, 63318), (346, 57828), (366, 54668), (474, 42212), (488, 41001), (519, 38552), (632, 31659), (692, 28914), (732, 27334), (948, 21106), (1038, 19276), (1384, 14457), (1464, 13667), (1896, 10553), (2076, 9638), (4152, 4819)]