20803973135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{17977}}^1$

素因数の和:18443

約数の個数: 32

約数和(自身を含む): 27819588672

約数和(自身を除く): 7015615537

約数列:

[1, 5, 11, 53, 55, 265, 397, 583, 1985, 2915, 4367, 17977, 21041, 21835, 89885, 105205, 197747, 231451, 952781, 988735, 1157255, 4763905, 7136869, 10480591, 35684345, 52402955, 78505559, 378254057, 392527795, 1891270285, 4160794627, 20803973135]

約数ペア:

[(1, 20803973135), (5, 4160794627), (11, 1891270285), (53, 392527795), (55, 378254057), (265, 78505559), (397, 52402955), (583, 35684345), (1985, 10480591), (2915, 7136869), (4367, 4763905), (17977, 1157255), (21041, 988735), (21835, 952781), (89885, 231451), (105205, 197747)]