20147162685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 37247164416

約数和(自身を除く): 17100001731

約数列:

[1, 3, 5, 13, 15, 23, 39, 53, 65, 69, 115, 131, 159, 195, 265, 299, 345, 393, 647, 655, 689, 795, 897, 1219, 1495, 1703, 1941, 1965, 2067, 3013, 3235, 3445, 3657, 4485, 5109, 6095, 6943, 8411, 8515, 9039, 9705, 10335, 14881, 15065, 15847, 18285, 20829, 25233, 25545, 34291, 34715, 39169, 42055, 44643, 45195, 47541, 74405, 79235, 84757, 90259, 102873, 104145, 117507, 126165, 159689, 171455, 193453, 195845, 223215, 237705, 254271, 270777, 423785, 445783, 451295, 479067, 514365, 580359, 587535, 788693, 798445, 967265, 1101841, 1271355, 1337349, 1353885, 1949411, 2075957, 2228915, 2366079, 2395335, 2901795, 3305523, 3943465, 4492121, 5509205, 5848233, 6227871, 6686745, 9747055, 10253009, 10379785, 11830395, 13476363, 16527615, 22460605, 25342343, 29241165, 30759027, 31139355, 51265045, 58397573, 67381815, 76027029, 103318783, 126711715, 153795135, 175192719, 291987865, 309956349, 380135145, 516593915, 875963595, 1343144179, 1549781745, 4029432537, 6715720895, 20147162685]

約数ペア:

[(1, 20147162685), (3, 6715720895), (5, 4029432537), (13, 1549781745), (15, 1343144179), (23, 875963595), (39, 516593915), (53, 380135145), (65, 309956349), (69, 291987865), (115, 175192719), (131, 153795135), (159, 126711715), (195, 103318783), (265, 76027029), (299, 67381815), (345, 58397573), (393, 51265045), (647, 31139355), (655, 30759027), (689, 29241165), (795, 25342343), (897, 22460605), (1219, 16527615), (1495, 13476363), (1703, 11830395), (1941, 10379785), (1965, 10253009), (2067, 9747055), (3013, 6686745), (3235, 6227871), (3445, 5848233), (3657, 5509205), (4485, 4492121), (5109, 3943465), (6095, 3305523), (6943, 2901795), (8411, 2395335), (8515, 2366079), (9039, 2228915), (9705, 2075957), (10335, 1949411), (14881, 1353885), (15065, 1337349), (15847, 1271355), (18285, 1101841), (20829, 967265), (25233, 798445), (25545, 788693), (34291, 587535), (34715, 580359), (39169, 514365), (42055, 479067), (44643, 451295), (45195, 445783), (47541, 423785), (74405, 270777), (79235, 254271), (84757, 237705), (90259, 223215), (102873, 195845), (104145, 193453), (117507, 171455), (126165, 159689)]