20933900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16103}}^1$

素因数の和:16130

約数の個数: 36

約数和(自身を含む): 48923952

約数和(自身を除く): 27990052

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16103, 32206, 64412, 80515, 161030, 209339, 322060, 402575, 418678, 805150, 837356, 1046695, 1610300, 2093390, 4186780, 5233475, 10466950, 20933900]

約数ペア:

[(1, 20933900), (2, 10466950), (4, 5233475), (5, 4186780), (10, 2093390), (13, 1610300), (20, 1046695), (25, 837356), (26, 805150), (50, 418678), (52, 402575), (65, 322060), (100, 209339), (130, 161030), (260, 80515), (325, 64412), (650, 32206), (1300, 16103)]