20177560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38803}}^1$

素因数の和:38827

約数の個数: 32

約数和(自身を含む): 48893040

約数和(自身を除く): 28715480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38803, 77606, 155212, 194015, 310424, 388030, 504439, 776060, 1008878, 1552120, 2017756, 2522195, 4035512, 5044390, 10088780, 20177560]

約数ペア:

[(1, 20177560), (2, 10088780), (4, 5044390), (5, 4035512), (8, 2522195), (10, 2017756), (13, 1552120), (20, 1008878), (26, 776060), (40, 504439), (52, 388030), (65, 310424), (104, 194015), (130, 155212), (260, 77606), (520, 38803)]