20778432

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3537

約数の個数: 56

約数和(自身を含む): 56765952

約数和(自身を除く): 35987520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3491, 5952, 6982, 10473, 13964, 20946, 27928, 41892, 55856, 83784, 108221, 111712, 167568, 216442, 223424, 324663, 335136, 432884, 649326, 670272, 865768, 1298652, 1731536, 2597304, 3463072, 5194608, 6926144, 10389216, 20778432]

約数ペア:

[(1, 20778432), (2, 10389216), (3, 6926144), (4, 5194608), (6, 3463072), (8, 2597304), (12, 1731536), (16, 1298652), (24, 865768), (31, 670272), (32, 649326), (48, 432884), (62, 335136), (64, 324663), (93, 223424), (96, 216442), (124, 167568), (186, 111712), (192, 108221), (248, 83784), (372, 55856), (496, 41892), (744, 27928), (992, 20946), (1488, 13964), (1984, 10473), (2976, 6982), (3491, 5952)]