20806591686

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{7349}}^1$

素因数の和:8089

約数の個数: 64

約数和(自身を含む): 45208497600

約数和(自身を除く): 24401905914

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 677, 697, 1354, 1394, 2031, 2091, 4062, 4182, 7349, 11509, 14698, 22047, 23018, 27757, 34527, 44094, 55514, 69054, 83271, 124933, 166542, 249866, 301309, 374799, 471869, 602618, 749598, 903927, 943738, 1415607, 1807854, 2831214, 4975273, 5122253, 9950546, 10244506, 14925819, 15366759, 29851638, 30733518, 84579641, 169159282, 203986193, 253738923, 407972386, 507477846, 611958579, 1223917158, 3467765281, 6935530562, 10403295843, 20806591686]

約数ペア:

[(1, 20806591686), (2, 10403295843), (3, 6935530562), (6, 3467765281), (17, 1223917158), (34, 611958579), (41, 507477846), (51, 407972386), (82, 253738923), (102, 203986193), (123, 169159282), (246, 84579641), (677, 30733518), (697, 29851638), (1354, 15366759), (1394, 14925819), (2031, 10244506), (2091, 9950546), (4062, 5122253), (4182, 4975273), (7349, 2831214), (11509, 1807854), (14698, 1415607), (22047, 943738), (23018, 903927), (27757, 749598), (34527, 602618), (44094, 471869), (55514, 374799), (69054, 301309), (83271, 249866), (124933, 166542)]