20413830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2711}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 28792698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2711, 3765, 5422, 7530, 8133, 13555, 16266, 27110, 40665, 81330, 680461, 1360922, 2041383, 3402305, 4082766, 6804610, 10206915, 20413830]

約数ペア:

[(1, 20413830), (2, 10206915), (3, 6804610), (5, 4082766), (6, 3402305), (10, 2041383), (15, 1360922), (30, 680461), (251, 81330), (502, 40665), (753, 27110), (1255, 16266), (1506, 13555), (2510, 8133), (2711, 7530), (3765, 5422)]