20457139968

素因数分解:

$2^8\times 3^2\times {\mathrm{107}}^1\times {\mathrm{82981}}^1$

素因数の和:83110

約数の個数: 108

約数和(自身を含む): 59534938008

約数和(自身を除く): 39077798040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 107, 128, 144, 192, 214, 256, 288, 321, 384, 428, 576, 642, 768, 856, 963, 1152, 1284, 1712, 1926, 2304, 2568, 3424, 3852, 5136, 6848, 7704, 10272, 13696, 15408, 20544, 27392, 30816, 41088, 61632, 82176, 82981, 123264, 165962, 246528, 248943, 331924, 497886, 663848, 746829, 995772, 1327696, 1493658, 1991544, 2655392, 2987316, 3983088, 5310784, 5974632, 7966176, 8878967, 10621568, 11949264, 15932352, 17757934, 21243136, 23898528, 26636901, 31864704, 35515868, 47797056, 53273802, 63729408, 71031736, 79910703, 95594112, 106547604, 142063472, 159821406, 191188224, 213095208, 284126944, 319642812, 426190416, 568253888, 639285624, 852380832, 1136507776, 1278571248, 1704761664, 2273015552, 2557142496, 3409523328, 5114284992, 6819046656, 10228569984, 20457139968]

約数ペア:

[(1, 20457139968), (2, 10228569984), (3, 6819046656), (4, 5114284992), (6, 3409523328), (8, 2557142496), (9, 2273015552), (12, 1704761664), (16, 1278571248), (18, 1136507776), (24, 852380832), (32, 639285624), (36, 568253888), (48, 426190416), (64, 319642812), (72, 284126944), (96, 213095208), (107, 191188224), (128, 159821406), (144, 142063472), (192, 106547604), (214, 95594112), (256, 79910703), (288, 71031736), (321, 63729408), (384, 53273802), (428, 47797056), (576, 35515868), (642, 31864704), (768, 26636901), (856, 23898528), (963, 21243136), (1152, 17757934), (1284, 15932352), (1712, 11949264), (1926, 10621568), (2304, 8878967), (2568, 7966176), (3424, 5974632), (3852, 5310784), (5136, 3983088), (6848, 2987316), (7704, 2655392), (10272, 1991544), (13696, 1493658), (15408, 1327696), (20544, 995772), (27392, 746829), (30816, 663848), (41088, 497886), (61632, 331924), (82176, 248943), (82981, 246528), (123264, 165962)]