20122039924

素因数分解:

$2^2\times 7^2\times {\mathrm{9901}}^1\times {\mathrm{10369}}^1$

素因数の和:20288

約数の個数: 36

約数和(自身を含む): 40970812260

約数和(自身を除く): 20848772336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 9901, 10369, 19802, 20738, 39604, 41476, 69307, 72583, 138614, 145166, 277228, 290332, 485149, 508081, 970298, 1016162, 1940596, 2032324, 102663469, 205326938, 410653876, 718644283, 1437288566, 2874577132, 5030509981, 10061019962, 20122039924]

約数ペア:

[(1, 20122039924), (2, 10061019962), (4, 5030509981), (7, 2874577132), (14, 1437288566), (28, 718644283), (49, 410653876), (98, 205326938), (196, 102663469), (9901, 2032324), (10369, 1940596), (19802, 1016162), (20738, 970298), (39604, 508081), (41476, 485149), (69307, 290332), (72583, 277228), (138614, 145166)]