20347867864

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{2357}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 39931315200

約数和(自身を除く): 19583447336

約数列:

[1, 2, 4, 8, 29, 58, 116, 127, 232, 254, 293, 508, 586, 1016, 1172, 2344, 2357, 3683, 4714, 7366, 8497, 9428, 14732, 16994, 18856, 29464, 33988, 37211, 67976, 68353, 74422, 136706, 148844, 273412, 297688, 299339, 546824, 598678, 690601, 1079119, 1197356, 1381202, 2158238, 2394712, 2762404, 4316476, 5524808, 8632952, 8680831, 17361662, 20027429, 34723324, 40054858, 69446648, 80109716, 87706327, 160219432, 175412654, 350825308, 701650616, 2543483483, 5086966966, 10173933932, 20347867864]

約数ペア:

[(1, 20347867864), (2, 10173933932), (4, 5086966966), (8, 2543483483), (29, 701650616), (58, 350825308), (116, 175412654), (127, 160219432), (232, 87706327), (254, 80109716), (293, 69446648), (508, 40054858), (586, 34723324), (1016, 20027429), (1172, 17361662), (2344, 8680831), (2357, 8632952), (3683, 5524808), (4714, 4316476), (7366, 2762404), (8497, 2394712), (9428, 2158238), (14732, 1381202), (16994, 1197356), (18856, 1079119), (29464, 690601), (33988, 598678), (37211, 546824), (67976, 299339), (68353, 297688), (74422, 273412), (136706, 148844)]