20013960840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283163}}^1$

素因数の和:283227

約数の個数: 128

約数和(自身を含む): 65240985600

約数和(自身を除く): 45227024760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 11780, 14136, 17670, 23560, 35340, 70680, 283163, 566326, 849489, 1132652, 1415815, 1698978, 2265304, 2831630, 3397956, 4247445, 5380097, 5663260, 6795912, 8494890, 8778053, 10760194, 11326520, 16140291, 16989780, 17556106, 21520388, 26334159, 26900485, 32280582, 33979560, 35112212, 43040776, 43890265, 52668318, 53800970, 64561164, 70224424, 80701455, 87780530, 105336636, 107601940, 129122328, 131670795, 161402910, 166783007, 175561060, 210673272, 215203880, 263341590, 322805820, 333566014, 351122120, 500349021, 526683180, 645611640, 667132028, 833915035, 1000698042, 1053366360, 1334264056, 1667830070, 2001396084, 2501745105, 3335660140, 4002792168, 5003490210, 6671320280, 10006980420, 20013960840]

約数ペア:

[(1, 20013960840), (2, 10006980420), (3, 6671320280), (4, 5003490210), (5, 4002792168), (6, 3335660140), (8, 2501745105), (10, 2001396084), (12, 1667830070), (15, 1334264056), (19, 1053366360), (20, 1000698042), (24, 833915035), (30, 667132028), (31, 645611640), (38, 526683180), (40, 500349021), (57, 351122120), (60, 333566014), (62, 322805820), (76, 263341590), (93, 215203880), (95, 210673272), (114, 175561060), (120, 166783007), (124, 161402910), (152, 131670795), (155, 129122328), (186, 107601940), (190, 105336636), (228, 87780530), (248, 80701455), (285, 70224424), (310, 64561164), (372, 53800970), (380, 52668318), (456, 43890265), (465, 43040776), (570, 35112212), (589, 33979560), (620, 32280582), (744, 26900485), (760, 26334159), (930, 21520388), (1140, 17556106), (1178, 16989780), (1240, 16140291), (1767, 11326520), (1860, 10760194), (2280, 8778053), (2356, 8494890), (2945, 6795912), (3534, 5663260), (3720, 5380097), (4712, 4247445), (5890, 3397956), (7068, 2831630), (8835, 2265304), (11780, 1698978), (14136, 1415815), (17670, 1132652), (23560, 849489), (35340, 566326), (70680, 283163)]