20505697968

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{40177}}^1$

素因数の和:40240

約数の個数: 160

約数和(自身を含む): 63770521600

約数和(自身を除く): 43264823632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 49, 56, 62, 84, 93, 98, 112, 124, 147, 168, 186, 196, 217, 248, 294, 336, 343, 372, 392, 434, 496, 588, 651, 686, 744, 784, 868, 1029, 1176, 1302, 1372, 1488, 1519, 1736, 2058, 2352, 2604, 2744, 3038, 3472, 4116, 4557, 5208, 5488, 6076, 8232, 9114, 10416, 10633, 12152, 16464, 18228, 21266, 24304, 31899, 36456, 40177, 42532, 63798, 72912, 80354, 85064, 120531, 127596, 160708, 170128, 241062, 255192, 281239, 321416, 482124, 510384, 562478, 642832, 843717, 964248, 1124956, 1245487, 1687434, 1928496, 1968673, 2249912, 2490974, 3374868, 3736461, 3937346, 4499824, 4981948, 5906019, 6749736, 7472922, 7874692, 8718409, 9963896, 11812038, 13499472, 13780711, 14945844, 15749384, 17436818, 19927792, 23624076, 26155227, 27561422, 29891688, 31498768, 34873636, 41342133, 47248152, 52310454, 55122844, 59783376, 61028863, 69747272, 82684266, 94496304, 104620908, 110245688, 122057726, 139494544, 165368532, 183086589, 209241816, 220491376, 244115452, 330737064, 366173178, 418483632, 427202041, 488230904, 661474128, 732346356, 854404082, 976461808, 1281606123, 1464692712, 1708808164, 2563212246, 2929385424, 3417616328, 5126424492, 6835232656, 10252848984, 20505697968]

約数ペア:

[(1, 20505697968), (2, 10252848984), (3, 6835232656), (4, 5126424492), (6, 3417616328), (7, 2929385424), (8, 2563212246), (12, 1708808164), (14, 1464692712), (16, 1281606123), (21, 976461808), (24, 854404082), (28, 732346356), (31, 661474128), (42, 488230904), (48, 427202041), (49, 418483632), (56, 366173178), (62, 330737064), (84, 244115452), (93, 220491376), (98, 209241816), (112, 183086589), (124, 165368532), (147, 139494544), (168, 122057726), (186, 110245688), (196, 104620908), (217, 94496304), (248, 82684266), (294, 69747272), (336, 61028863), (343, 59783376), (372, 55122844), (392, 52310454), (434, 47248152), (496, 41342133), (588, 34873636), (651, 31498768), (686, 29891688), (744, 27561422), (784, 26155227), (868, 23624076), (1029, 19927792), (1176, 17436818), (1302, 15749384), (1372, 14945844), (1488, 13780711), (1519, 13499472), (1736, 11812038), (2058, 9963896), (2352, 8718409), (2604, 7874692), (2744, 7472922), (3038, 6749736), (3472, 5906019), (4116, 4981948), (4557, 4499824), (5208, 3937346), (5488, 3736461), (6076, 3374868), (8232, 2490974), (9114, 2249912), (10416, 1968673), (10633, 1928496), (12152, 1687434), (16464, 1245487), (18228, 1124956), (21266, 964248), (24304, 843717), (31899, 642832), (36456, 562478), (40177, 510384), (42532, 482124), (63798, 321416), (72912, 281239), (80354, 255192), (85064, 241062), (120531, 170128), (127596, 160708)]