20057692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 38112760

約数和(自身を除く): 18055068

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 157, 164, 314, 628, 779, 1558, 1681, 2983, 3116, 3362, 5966, 6437, 6724, 11932, 12874, 25748, 31939, 63878, 122303, 127756, 244606, 263917, 489212, 527834, 1055668, 5014423, 10028846, 20057692]

約数ペア:

[(1, 20057692), (2, 10028846), (4, 5014423), (19, 1055668), (38, 527834), (41, 489212), (76, 263917), (82, 244606), (157, 127756), (164, 122303), (314, 63878), (628, 31939), (779, 25748), (1558, 12874), (1681, 11932), (2983, 6724), (3116, 6437), (3362, 5966)]