20577870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9941}}^1$

素因数の和:9977

約数の個数: 48

約数和(自身を含む): 55834272

約数和(自身を除く): 35256402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9941, 19882, 29823, 49705, 59646, 89469, 99410, 149115, 178938, 228643, 298230, 447345, 457286, 685929, 894690, 1143215, 1371858, 2057787, 2286430, 3429645, 4115574, 6859290, 10288935, 20577870]

約数ペア:

[(1, 20577870), (2, 10288935), (3, 6859290), (5, 4115574), (6, 3429645), (9, 2286430), (10, 2057787), (15, 1371858), (18, 1143215), (23, 894690), (30, 685929), (45, 457286), (46, 447345), (69, 298230), (90, 228643), (115, 178938), (138, 149115), (207, 99410), (230, 89469), (345, 59646), (414, 49705), (690, 29823), (1035, 19882), (2070, 9941)]