20085280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6607}}^1$

素因数の和:6641

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 29871200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6607, 13214, 26428, 33035, 52856, 66070, 105712, 125533, 132140, 211424, 251066, 264280, 502132, 528560, 627665, 1004264, 1057120, 1255330, 2008528, 2510660, 4017056, 5021320, 10042640, 20085280]

約数ペア:

[(1, 20085280), (2, 10042640), (4, 5021320), (5, 4017056), (8, 2510660), (10, 2008528), (16, 1255330), (19, 1057120), (20, 1004264), (32, 627665), (38, 528560), (40, 502132), (76, 264280), (80, 251066), (95, 211424), (152, 132140), (160, 125533), (190, 105712), (304, 66070), (380, 52856), (608, 33035), (760, 26428), (1520, 13214), (3040, 6607)]