20158128544

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{252887}}^1$

素因数の和:252997

約数の個数: 48

約数和(自身を含む): 41295598848

約数和(自身を除く): 21137470304

約数列:

[1, 2, 4, 8, 16, 32, 47, 53, 94, 106, 188, 212, 376, 424, 752, 848, 1504, 1696, 2491, 4982, 9964, 19928, 39856, 79712, 252887, 505774, 1011548, 2023096, 4046192, 8092384, 11885689, 13403011, 23771378, 26806022, 47542756, 53612044, 95085512, 107224088, 190171024, 214448176, 380342048, 428896352, 629941517, 1259883034, 2519766068, 5039532136, 10079064272, 20158128544]

約数ペア:

[(1, 20158128544), (2, 10079064272), (4, 5039532136), (8, 2519766068), (16, 1259883034), (32, 629941517), (47, 428896352), (53, 380342048), (94, 214448176), (106, 190171024), (188, 107224088), (212, 95085512), (376, 53612044), (424, 47542756), (752, 26806022), (848, 23771378), (1504, 13403011), (1696, 11885689), (2491, 8092384), (4982, 4046192), (9964, 2023096), (19928, 1011548), (39856, 505774), (79712, 252887)]