20153456478

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{397}}^1\times {\mathrm{9127}}^1$

素因数の和:9638

約数の個数: 64

約数和(自身を含む): 45339141120

約数和(自身を除く): 25185684642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 397, 618, 794, 927, 1191, 1854, 2382, 2781, 3573, 5562, 7146, 9127, 10719, 18254, 21438, 27381, 40891, 54762, 81782, 82143, 122673, 164286, 245346, 246429, 368019, 492858, 736038, 940081, 1104057, 1880162, 2208114, 2820243, 3623419, 5640486, 7246838, 8460729, 10870257, 16921458, 21740514, 25382187, 32610771, 50764374, 65221542, 97832313, 195664626, 373212157, 746424314, 1119636471, 2239272942, 3358909413, 6717818826, 10076728239, 20153456478]

約数ペア:

[(1, 20153456478), (2, 10076728239), (3, 6717818826), (6, 3358909413), (9, 2239272942), (18, 1119636471), (27, 746424314), (54, 373212157), (103, 195664626), (206, 97832313), (309, 65221542), (397, 50764374), (618, 32610771), (794, 25382187), (927, 21740514), (1191, 16921458), (1854, 10870257), (2382, 8460729), (2781, 7246838), (3573, 5640486), (5562, 3623419), (7146, 2820243), (9127, 2208114), (10719, 1880162), (18254, 1104057), (21438, 940081), (27381, 736038), (40891, 492858), (54762, 368019), (81782, 246429), (82143, 245346), (122673, 164286)]