20153744387

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{3847}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 24137118720

約数和(自身を除く): 3983374333

約数列:

[1, 7, 29, 131, 197, 203, 917, 1379, 3799, 3847, 5713, 25807, 26593, 26929, 39991, 111563, 180649, 503957, 748403, 757859, 780941, 3527699, 5238821, 5305013, 14614753, 21977911, 99279529, 102303271, 153845377, 694956703, 2879106341, 20153744387]

約数ペア:

[(1, 20153744387), (7, 2879106341), (29, 694956703), (131, 153845377), (197, 102303271), (203, 99279529), (917, 21977911), (1379, 14614753), (3799, 5305013), (3847, 5238821), (5713, 3527699), (25807, 780941), (26593, 757859), (26929, 748403), (39991, 503957), (111563, 180649)]