20030283

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 36627136

約数和(自身を除く): 16596853

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 661, 777, 819, 1443, 1983, 2331, 3367, 4329, 4627, 5949, 8593, 10101, 13881, 24457, 25779, 30303, 41643, 60151, 73371, 77337, 171199, 180453, 220113, 317941, 513597, 541359, 953823, 1540791, 2225587, 2861469, 6676761, 20030283]

約数ペア:

[(1, 20030283), (3, 6676761), (7, 2861469), (9, 2225587), (13, 1540791), (21, 953823), (37, 541359), (39, 513597), (63, 317941), (91, 220113), (111, 180453), (117, 171199), (259, 77337), (273, 73371), (333, 60151), (481, 41643), (661, 30303), (777, 25779), (819, 24457), (1443, 13881), (1983, 10101), (2331, 8593), (3367, 5949), (4329, 4627)]