20403900323

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 22396538880

約数和(自身を除く): 1992638557

約数列:

[1, 23, 31, 89, 137, 713, 2047, 2347, 2759, 3151, 4247, 12193, 53981, 63457, 72757, 97681, 208883, 280439, 321539, 377983, 1673411, 4804309, 6475373, 7395397, 8693609, 9967709, 28616971, 148933579, 229257307, 658190333, 887126101, 20403900323]

約数ペア:

[(1, 20403900323), (23, 887126101), (31, 658190333), (89, 229257307), (137, 148933579), (713, 28616971), (2047, 9967709), (2347, 8693609), (2759, 7395397), (3151, 6475373), (4247, 4804309), (12193, 1673411), (53981, 377983), (63457, 321539), (72757, 280439), (97681, 208883)]