20008144790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{64453}}^1$

素因数の和:65336

約数の個数: 32

約数和(自身を含む): 37032690240

約数和(自身を除く): 17024545450

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 839, 1678, 4195, 8390, 31043, 62086, 64453, 128906, 155215, 310430, 322265, 644530, 2384761, 4769522, 11923805, 23847610, 54076067, 108152134, 270380335, 540760670, 2000814479, 4001628958, 10004072395, 20008144790]

約数ペア:

[(1, 20008144790), (2, 10004072395), (5, 4001628958), (10, 2000814479), (37, 540760670), (74, 270380335), (185, 108152134), (370, 54076067), (839, 23847610), (1678, 11923805), (4195, 4769522), (8390, 2384761), (31043, 644530), (62086, 322265), (64453, 310430), (128906, 155215)]