20163144

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 53383680

約数和(自身を除く): 33220536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 661, 744, 984, 1271, 1322, 1983, 2542, 2644, 3813, 3966, 5084, 5288, 7626, 7932, 10168, 15252, 15864, 20491, 27101, 30504, 40982, 54202, 61473, 81303, 81964, 108404, 122946, 162606, 163928, 216808, 245892, 325212, 491784, 650424, 840131, 1680262, 2520393, 3360524, 5040786, 6721048, 10081572, 20163144]

約数ペア:

[(1, 20163144), (2, 10081572), (3, 6721048), (4, 5040786), (6, 3360524), (8, 2520393), (12, 1680262), (24, 840131), (31, 650424), (41, 491784), (62, 325212), (82, 245892), (93, 216808), (123, 163928), (124, 162606), (164, 122946), (186, 108404), (246, 81964), (248, 81303), (328, 61473), (372, 54202), (492, 40982), (661, 30504), (744, 27101), (984, 20491), (1271, 15864), (1322, 15252), (1983, 10168), (2542, 7932), (2644, 7626), (3813, 5288), (3966, 5084)]