2020123624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{727}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 4054377600

約数和(自身を除く): 2034253976

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 181, 202, 362, 404, 724, 727, 808, 1448, 1454, 1919, 2908, 3439, 3838, 5816, 6878, 7676, 13756, 13813, 15352, 18281, 27512, 27626, 36562, 55252, 73124, 73427, 110504, 131587, 146248, 146854, 263174, 293708, 347339, 526348, 587416, 694678, 1052696, 1389356, 1395113, 2500153, 2778712, 2790226, 5000306, 5580452, 10000612, 11160904, 13290287, 20001224, 26580574, 53161148, 106322296, 252515453, 505030906, 1010061812, 2020123624]

約数ペア:

[(1, 2020123624), (2, 1010061812), (4, 505030906), (8, 252515453), (19, 106322296), (38, 53161148), (76, 26580574), (101, 20001224), (152, 13290287), (181, 11160904), (202, 10000612), (362, 5580452), (404, 5000306), (724, 2790226), (727, 2778712), (808, 2500153), (1448, 1395113), (1454, 1389356), (1919, 1052696), (2908, 694678), (3439, 587416), (3838, 526348), (5816, 347339), (6878, 293708), (7676, 263174), (13756, 146854), (13813, 146248), (15352, 131587), (18281, 110504), (27512, 73427), (27626, 73124), (36562, 55252)]