16995940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 21812060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 499, 524, 655, 998, 1310, 1703, 1996, 2495, 2620, 3406, 4990, 6487, 6812, 8515, 9980, 12974, 17030, 25948, 32435, 34060, 64870, 65369, 129740, 130738, 261476, 326845, 653690, 849797, 1307380, 1699594, 3399188, 4248985, 8497970, 16995940]

約数ペア:

[(1, 16995940), (2, 8497970), (4, 4248985), (5, 3399188), (10, 1699594), (13, 1307380), (20, 849797), (26, 653690), (52, 326845), (65, 261476), (130, 130738), (131, 129740), (260, 65369), (262, 64870), (499, 34060), (524, 32435), (655, 25948), (998, 17030), (1310, 12974), (1703, 9980), (1996, 8515), (2495, 6812), (2620, 6487), (3406, 4990)]