20199555894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{17387}}^1$

素因数の和:17737

約数の個数: 64

約数和(自身を含む): 46738944000

約数和(自身を除く): 26539388106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 199, 278, 398, 417, 597, 834, 973, 1194, 1393, 1946, 2786, 2919, 4179, 5838, 8358, 17387, 27661, 34774, 52161, 55322, 82983, 104322, 121709, 165966, 193627, 243418, 365127, 387254, 580881, 730254, 1161762, 2416793, 3460013, 4833586, 6920026, 7250379, 10380039, 14500758, 16917551, 20760078, 24220091, 33835102, 48440182, 50752653, 72660273, 101505306, 145320546, 480941807, 961883614, 1442825421, 2885650842, 3366592649, 6733185298, 10099777947, 20199555894]

約数ペア:

[(1, 20199555894), (2, 10099777947), (3, 6733185298), (6, 3366592649), (7, 2885650842), (14, 1442825421), (21, 961883614), (42, 480941807), (139, 145320546), (199, 101505306), (278, 72660273), (398, 50752653), (417, 48440182), (597, 33835102), (834, 24220091), (973, 20760078), (1194, 16917551), (1393, 14500758), (1946, 10380039), (2786, 7250379), (2919, 6920026), (4179, 4833586), (5838, 3460013), (8358, 2416793), (17387, 1161762), (27661, 730254), (34774, 580881), (52161, 387254), (55322, 365127), (82983, 243418), (104322, 193627), (121709, 165966)]