20843030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2480

約数の個数: 32

約数和(自身を含む): 41023584

約数和(自身を除く): 20180554

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2393, 4355, 4786, 8710, 11965, 23930, 31109, 62218, 155545, 160331, 311090, 320662, 801655, 1603310, 2084303, 4168606, 10421515, 20843030]

約数ペア:

[(1, 20843030), (2, 10421515), (5, 4168606), (10, 2084303), (13, 1603310), (26, 801655), (65, 320662), (67, 311090), (130, 160331), (134, 155545), (335, 62218), (670, 31109), (871, 23930), (1742, 11965), (2393, 8710), (4355, 4786)]