20831008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 27940064

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 32, 44, 46, 62, 83, 88, 92, 124, 166, 176, 184, 248, 253, 332, 341, 352, 368, 496, 506, 664, 682, 713, 736, 913, 992, 1012, 1328, 1364, 1426, 1826, 1909, 2024, 2573, 2656, 2728, 2852, 3652, 3818, 4048, 5146, 5456, 5704, 7304, 7636, 7843, 8096, 10292, 10912, 11408, 14608, 15272, 15686, 20584, 20999, 22816, 28303, 29216, 30544, 31372, 41168, 41998, 56606, 59179, 61088, 62744, 82336, 83996, 113212, 118358, 125488, 167992, 226424, 236716, 250976, 335984, 452848, 473432, 650969, 671968, 905696, 946864, 1301938, 1893728, 2603876, 5207752, 10415504, 20831008]

約数ペア:

[(1, 20831008), (2, 10415504), (4, 5207752), (8, 2603876), (11, 1893728), (16, 1301938), (22, 946864), (23, 905696), (31, 671968), (32, 650969), (44, 473432), (46, 452848), (62, 335984), (83, 250976), (88, 236716), (92, 226424), (124, 167992), (166, 125488), (176, 118358), (184, 113212), (248, 83996), (253, 82336), (332, 62744), (341, 61088), (352, 59179), (368, 56606), (496, 41998), (506, 41168), (664, 31372), (682, 30544), (713, 29216), (736, 28303), (913, 22816), (992, 20999), (1012, 20584), (1328, 15686), (1364, 15272), (1426, 14608), (1826, 11408), (1909, 10912), (2024, 10292), (2573, 8096), (2656, 7843), (2728, 7636), (2852, 7304), (3652, 5704), (3818, 5456), (4048, 5146)]