20798330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3761}}^1$

素因数の和:3854

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22539910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3761, 5530, 7522, 18805, 26327, 37610, 52654, 131635, 263270, 297119, 594238, 1485595, 2079833, 2971190, 4159666, 10399165, 20798330]

約数ペア:

[(1, 20798330), (2, 10399165), (5, 4159666), (7, 2971190), (10, 2079833), (14, 1485595), (35, 594238), (70, 297119), (79, 263270), (158, 131635), (395, 52654), (553, 37610), (790, 26327), (1106, 18805), (2765, 7522), (3761, 5530)]