20145811968

素因数分解:

$2^9\times 3^5\times {\mathrm{161923}}^1$

素因数の和:161956

約数の個数: 120

約数和(自身を含む): 60295963728

約数和(自身を除く): 40150151760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 648, 768, 864, 972, 1152, 1296, 1536, 1728, 1944, 2304, 2592, 3456, 3888, 4608, 5184, 6912, 7776, 10368, 13824, 15552, 20736, 31104, 41472, 62208, 124416, 161923, 323846, 485769, 647692, 971538, 1295384, 1457307, 1943076, 2590768, 2914614, 3886152, 4371921, 5181536, 5829228, 7772304, 8743842, 10363072, 11658456, 13115763, 15544608, 17487684, 20726144, 23316912, 26231526, 31089216, 34975368, 39347289, 41452288, 46633824, 52463052, 62178432, 69950736, 78694578, 82904576, 93267648, 104926104, 124356864, 139901472, 157389156, 186535296, 209852208, 248713728, 279802944, 314778312, 373070592, 419704416, 559605888, 629556624, 746141184, 839408832, 1119211776, 1259113248, 1678817664, 2238423552, 2518226496, 3357635328, 5036452992, 6715270656, 10072905984, 20145811968]

約数ペア:

[(1, 20145811968), (2, 10072905984), (3, 6715270656), (4, 5036452992), (6, 3357635328), (8, 2518226496), (9, 2238423552), (12, 1678817664), (16, 1259113248), (18, 1119211776), (24, 839408832), (27, 746141184), (32, 629556624), (36, 559605888), (48, 419704416), (54, 373070592), (64, 314778312), (72, 279802944), (81, 248713728), (96, 209852208), (108, 186535296), (128, 157389156), (144, 139901472), (162, 124356864), (192, 104926104), (216, 93267648), (243, 82904576), (256, 78694578), (288, 69950736), (324, 62178432), (384, 52463052), (432, 46633824), (486, 41452288), (512, 39347289), (576, 34975368), (648, 31089216), (768, 26231526), (864, 23316912), (972, 20726144), (1152, 17487684), (1296, 15544608), (1536, 13115763), (1728, 11658456), (1944, 10363072), (2304, 8743842), (2592, 7772304), (3456, 5829228), (3888, 5181536), (4608, 4371921), (5184, 3886152), (6912, 2914614), (7776, 2590768), (10368, 1943076), (13824, 1457307), (15552, 1295384), (20736, 971538), (31104, 647692), (41472, 485769), (62208, 323846), (124416, 161923)]