20779830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{619}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 54259920

約数和(自身を除く): 33480090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 619, 746, 1119, 1238, 1857, 1865, 2238, 3095, 3357, 3714, 3730, 5571, 5595, 6190, 6714, 9285, 11142, 11190, 16785, 18570, 27855, 33570, 55710, 230887, 461774, 692661, 1154435, 1385322, 2077983, 2308870, 3463305, 4155966, 6926610, 10389915, 20779830]

約数ペア:

[(1, 20779830), (2, 10389915), (3, 6926610), (5, 4155966), (6, 3463305), (9, 2308870), (10, 2077983), (15, 1385322), (18, 1154435), (30, 692661), (45, 461774), (90, 230887), (373, 55710), (619, 33570), (746, 27855), (1119, 18570), (1238, 16785), (1857, 11190), (1865, 11142), (2238, 9285), (3095, 6714), (3357, 6190), (3714, 5595), (3730, 5571)]