20237520550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{19447}}^1$

素因数の和:21073

約数の個数: 48

約数和(自身を含む): 40564716192

約数和(自身を除く): 20327195642

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1601, 3202, 8005, 16010, 19447, 20813, 38894, 40025, 41626, 80050, 97235, 104065, 194470, 208130, 252811, 486175, 505622, 520325, 972350, 1040650, 1264055, 2528110, 6320275, 12640550, 31134647, 62269294, 155673235, 311346470, 404750411, 778366175, 809500822, 1556732350, 2023752055, 4047504110, 10118760275, 20237520550]

約数ペア:

[(1, 20237520550), (2, 10118760275), (5, 4047504110), (10, 2023752055), (13, 1556732350), (25, 809500822), (26, 778366175), (50, 404750411), (65, 311346470), (130, 155673235), (325, 62269294), (650, 31134647), (1601, 12640550), (3202, 6320275), (8005, 2528110), (16010, 1264055), (19447, 1040650), (20813, 972350), (38894, 520325), (40025, 505622), (41626, 486175), (80050, 252811), (97235, 208130), (104065, 194470)]