20903184001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{34687}}^1$

素因数の和:34933

約数の個数: 32

約数和(自身を含む): 26373980160

約数和(自身を除く): 5470796159

約数列:

[1, 7, 19, 23, 133, 161, 197, 437, 1379, 3059, 3743, 4531, 26201, 31717, 34687, 86089, 242809, 602623, 659053, 797801, 4613371, 5584607, 6833339, 15158219, 47833373, 106107533, 129833441, 157166797, 908834087, 1100167579, 2986169143, 20903184001]

約数ペア:

[(1, 20903184001), (7, 2986169143), (19, 1100167579), (23, 908834087), (133, 157166797), (161, 129833441), (197, 106107533), (437, 47833373), (1379, 15158219), (3059, 6833339), (3743, 5584607), (4531, 4613371), (26201, 797801), (31717, 659053), (34687, 602623), (86089, 242809)]