20353112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23192488

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 59, 62, 104, 107, 118, 124, 214, 236, 248, 403, 428, 472, 767, 806, 856, 1391, 1534, 1612, 1829, 2782, 3068, 3224, 3317, 3658, 5564, 6136, 6313, 6634, 7316, 11128, 12626, 13268, 14632, 23777, 25252, 26536, 43121, 47554, 50504, 82069, 86242, 95108, 164138, 172484, 190216, 195703, 328276, 344968, 391406, 656552, 782812, 1565624, 2544139, 5088278, 10176556, 20353112]

約数ペア:

[(1, 20353112), (2, 10176556), (4, 5088278), (8, 2544139), (13, 1565624), (26, 782812), (31, 656552), (52, 391406), (59, 344968), (62, 328276), (104, 195703), (107, 190216), (118, 172484), (124, 164138), (214, 95108), (236, 86242), (248, 82069), (403, 50504), (428, 47554), (472, 43121), (767, 26536), (806, 25252), (856, 23777), (1391, 14632), (1534, 13268), (1612, 12626), (1829, 11128), (2782, 7316), (3068, 6634), (3224, 6313), (3317, 6136), (3658, 5564)]