20111390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2309}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 19472770

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2309, 4355, 4618, 8710, 11545, 23090, 30017, 60034, 150085, 154703, 300170, 309406, 773515, 1547030, 2011139, 4022278, 10055695, 20111390]

約数ペア:

[(1, 20111390), (2, 10055695), (5, 4022278), (10, 2011139), (13, 1547030), (26, 773515), (65, 309406), (67, 300170), (130, 154703), (134, 150085), (335, 60034), (670, 30017), (871, 23090), (1742, 11545), (2309, 8710), (4355, 4618)]