20737535

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 12357121

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 383, 455, 595, 637, 833, 1105, 1547, 1915, 2681, 3185, 4165, 4979, 6511, 7735, 10829, 13405, 18767, 24895, 32555, 34853, 45577, 54145, 84643, 93835, 174265, 227885, 243971, 319039, 423215, 592501, 1219855, 1595195, 2962505, 4147507, 20737535]

約数ペア:

[(1, 20737535), (5, 4147507), (7, 2962505), (13, 1595195), (17, 1219855), (35, 592501), (49, 423215), (65, 319039), (85, 243971), (91, 227885), (119, 174265), (221, 93835), (245, 84643), (383, 54145), (455, 45577), (595, 34853), (637, 32555), (833, 24895), (1105, 18767), (1547, 13405), (1915, 10829), (2681, 7735), (3185, 6511), (4165, 4979)]