2020591720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{13339}}^1$

素因数の和:13898

約数の個数: 64

約数和(自身を含む): 5205801600

約数和(自身を除く): 3185209880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 541, 1082, 2164, 2705, 3787, 4328, 5410, 7574, 10820, 13339, 15148, 18935, 21640, 26678, 30296, 37870, 53356, 66695, 75740, 93373, 106712, 133390, 151480, 186746, 266780, 373492, 466865, 533560, 746984, 933730, 1867460, 3734920, 7216399, 14432798, 28865596, 36081995, 50514793, 57731192, 72163990, 101029586, 144327980, 202059172, 252573965, 288655960, 404118344, 505147930, 1010295860, 2020591720]

約数ペア:

[(1, 2020591720), (2, 1010295860), (4, 505147930), (5, 404118344), (7, 288655960), (8, 252573965), (10, 202059172), (14, 144327980), (20, 101029586), (28, 72163990), (35, 57731192), (40, 50514793), (56, 36081995), (70, 28865596), (140, 14432798), (280, 7216399), (541, 3734920), (1082, 1867460), (2164, 933730), (2705, 746984), (3787, 533560), (4328, 466865), (5410, 373492), (7574, 266780), (10820, 186746), (13339, 151480), (15148, 133390), (18935, 106712), (21640, 93373), (26678, 75740), (30296, 66695), (37870, 53356)]