20510147170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{6581}}^1$

素因数の和:7003

約数の個数: 64

約数和(自身を含む): 39807936000

約数和(自身を除く): 19297788830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 349, 470, 698, 893, 1745, 1786, 3490, 4465, 6581, 6631, 8930, 13162, 13262, 16403, 32806, 32905, 33155, 65810, 66310, 82015, 125039, 164030, 250078, 309307, 311657, 618614, 623314, 625195, 1250390, 1546535, 1558285, 2296769, 3093070, 3116570, 4593538, 5876833, 11483845, 11753666, 22967690, 29384165, 43638611, 58768330, 87277222, 107948143, 215896286, 218193055, 436386110, 539740715, 1079481430, 2051014717, 4102029434, 10255073585, 20510147170]

約数ペア:

[(1, 20510147170), (2, 10255073585), (5, 4102029434), (10, 2051014717), (19, 1079481430), (38, 539740715), (47, 436386110), (94, 218193055), (95, 215896286), (190, 107948143), (235, 87277222), (349, 58768330), (470, 43638611), (698, 29384165), (893, 22967690), (1745, 11753666), (1786, 11483845), (3490, 5876833), (4465, 4593538), (6581, 3116570), (6631, 3093070), (8930, 2296769), (13162, 1558285), (13262, 1546535), (16403, 1250390), (32806, 625195), (32905, 623314), (33155, 618614), (65810, 311657), (66310, 309307), (82015, 250078), (125039, 164030)]