20550808

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 19033352

約数列:

[1, 2, 4, 8, 71, 97, 142, 194, 284, 373, 388, 568, 746, 776, 1492, 2984, 6887, 13774, 26483, 27548, 36181, 52966, 55096, 72362, 105932, 144724, 211864, 289448, 2568851, 5137702, 10275404, 20550808]

約数ペア:

[(1, 20550808), (2, 10275404), (4, 5137702), (8, 2568851), (71, 289448), (97, 211864), (142, 144724), (194, 105932), (284, 72362), (373, 55096), (388, 52966), (568, 36181), (746, 27548), (776, 26483), (1492, 13774), (2984, 6887)]