20590240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11699}}^1$

素因数の和:11725

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 32480960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11699, 23398, 46796, 58495, 93592, 116990, 128689, 187184, 233980, 257378, 374368, 467960, 514756, 643445, 935920, 1029512, 1286890, 1871840, 2059024, 2573780, 4118048, 5147560, 10295120, 20590240]

約数ペア:

[(1, 20590240), (2, 10295120), (4, 5147560), (5, 4118048), (8, 2573780), (10, 2059024), (11, 1871840), (16, 1286890), (20, 1029512), (22, 935920), (32, 643445), (40, 514756), (44, 467960), (55, 374368), (80, 257378), (88, 233980), (110, 187184), (160, 128689), (176, 116990), (220, 93592), (352, 58495), (440, 46796), (880, 23398), (1760, 11699)]