20835300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 60760000

約数和(自身を除く): 39924700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 199, 300, 349, 398, 597, 698, 796, 995, 1047, 1194, 1396, 1745, 1990, 2094, 2388, 2985, 3490, 3980, 4188, 4975, 5235, 5970, 6980, 8725, 9950, 10470, 11940, 14925, 17450, 19900, 20940, 26175, 29850, 34900, 52350, 59700, 69451, 104700, 138902, 208353, 277804, 347255, 416706, 694510, 833412, 1041765, 1389020, 1736275, 2083530, 3472550, 4167060, 5208825, 6945100, 10417650, 20835300]

約数ペア:

[(1, 20835300), (2, 10417650), (3, 6945100), (4, 5208825), (5, 4167060), (6, 3472550), (10, 2083530), (12, 1736275), (15, 1389020), (20, 1041765), (25, 833412), (30, 694510), (50, 416706), (60, 347255), (75, 277804), (100, 208353), (150, 138902), (199, 104700), (300, 69451), (349, 59700), (398, 52350), (597, 34900), (698, 29850), (796, 26175), (995, 20940), (1047, 19900), (1194, 17450), (1396, 14925), (1745, 11940), (1990, 10470), (2094, 9950), (2388, 8725), (2985, 6980), (3490, 5970), (3980, 5235), (4188, 4975)]