20534820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18013}}^1$

素因数の和:18044

約数の個数: 48

約数和(自身を含む): 60527040

約数和(自身を除く): 39992220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18013, 36026, 54039, 72052, 90065, 108078, 180130, 216156, 270195, 342247, 360260, 540390, 684494, 1026741, 1080780, 1368988, 1711235, 2053482, 3422470, 4106964, 5133705, 6844940, 10267410, 20534820]

約数ペア:

[(1, 20534820), (2, 10267410), (3, 6844940), (4, 5133705), (5, 4106964), (6, 3422470), (10, 2053482), (12, 1711235), (15, 1368988), (19, 1080780), (20, 1026741), (30, 684494), (38, 540390), (57, 360260), (60, 342247), (76, 270195), (95, 216156), (114, 180130), (190, 108078), (228, 90065), (285, 72052), (380, 54039), (570, 36026), (1140, 18013)]