20403766305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{7079}}^1$

素因数の和:7495

約数の個数: 72

約数和(自身を含む): 38402769600

約数和(自身を除く): 17999003295

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 379, 507, 585, 845, 1137, 1521, 1895, 2535, 3411, 4927, 5685, 7079, 7605, 14781, 17055, 21237, 24635, 35395, 44343, 63711, 64051, 73905, 92027, 106185, 192153, 221715, 276081, 318555, 320255, 460135, 576459, 828243, 960765, 1196351, 1380405, 2682941, 2882295, 3589053, 4141215, 5981755, 8048823, 10767159, 13414705, 17945265, 24146469, 34878233, 40244115, 53835795, 104634699, 120732345, 174391165, 313904097, 453417029, 523173495, 1360251087, 1569520485, 2267085145, 4080753261, 6801255435, 20403766305]

約数ペア:

[(1, 20403766305), (3, 6801255435), (5, 4080753261), (9, 2267085145), (13, 1569520485), (15, 1360251087), (39, 523173495), (45, 453417029), (65, 313904097), (117, 174391165), (169, 120732345), (195, 104634699), (379, 53835795), (507, 40244115), (585, 34878233), (845, 24146469), (1137, 17945265), (1521, 13414705), (1895, 10767159), (2535, 8048823), (3411, 5981755), (4927, 4141215), (5685, 3589053), (7079, 2882295), (7605, 2682941), (14781, 1380405), (17055, 1196351), (21237, 960765), (24635, 828243), (35395, 576459), (44343, 460135), (63711, 320255), (64051, 318555), (73905, 276081), (92027, 221715), (106185, 192153)]