20790321664

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2801}}^1$

素因数の和:2954

約数の個数: 160

約数和(自身を含む): 50449449600

約数和(自身を除く): 29659127936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 109, 112, 128, 133, 152, 218, 224, 256, 266, 304, 436, 448, 512, 532, 608, 763, 872, 896, 1064, 1216, 1526, 1744, 1792, 2071, 2128, 2432, 2801, 3052, 3488, 3584, 4142, 4256, 4864, 5602, 6104, 6976, 8284, 8512, 9728, 11204, 12208, 13952, 14497, 16568, 17024, 19607, 22408, 24416, 27904, 28994, 33136, 34048, 39214, 44816, 48832, 53219, 55808, 57988, 66272, 68096, 78428, 89632, 97664, 106438, 115976, 132544, 156856, 179264, 195328, 212876, 231952, 265088, 305309, 313712, 358528, 372533, 390656, 425752, 463904, 530176, 610618, 627424, 717056, 745066, 851504, 927808, 1060352, 1221236, 1254848, 1434112, 1490132, 1703008, 1855616, 2137163, 2442472, 2509696, 2980264, 3406016, 3711232, 4274326, 4884944, 5019392, 5800871, 5960528, 6812032, 7422464, 8548652, 9769888, 10038784, 11601742, 11921056, 13624064, 17097304, 19539776, 23203484, 23842112, 27248128, 34194608, 39079552, 40606097, 46406968, 47684224, 68389216, 78159104, 81212194, 92813936, 95368448, 136778432, 156318208, 162424388, 185627872, 190736896, 273556864, 324848776, 371255744, 547113728, 649697552, 742511488, 1094227456, 1299395104, 1485022976, 2598790208, 2970045952, 5197580416, 10395160832, 20790321664]

約数ペア:

[(1, 20790321664), (2, 10395160832), (4, 5197580416), (7, 2970045952), (8, 2598790208), (14, 1485022976), (16, 1299395104), (19, 1094227456), (28, 742511488), (32, 649697552), (38, 547113728), (56, 371255744), (64, 324848776), (76, 273556864), (109, 190736896), (112, 185627872), (128, 162424388), (133, 156318208), (152, 136778432), (218, 95368448), (224, 92813936), (256, 81212194), (266, 78159104), (304, 68389216), (436, 47684224), (448, 46406968), (512, 40606097), (532, 39079552), (608, 34194608), (763, 27248128), (872, 23842112), (896, 23203484), (1064, 19539776), (1216, 17097304), (1526, 13624064), (1744, 11921056), (1792, 11601742), (2071, 10038784), (2128, 9769888), (2432, 8548652), (2801, 7422464), (3052, 6812032), (3488, 5960528), (3584, 5800871), (4142, 5019392), (4256, 4884944), (4864, 4274326), (5602, 3711232), (6104, 3406016), (6976, 2980264), (8284, 2509696), (8512, 2442472), (9728, 2137163), (11204, 1855616), (12208, 1703008), (13952, 1490132), (14497, 1434112), (16568, 1254848), (17024, 1221236), (19607, 1060352), (22408, 927808), (24416, 851504), (27904, 745066), (28994, 717056), (33136, 627424), (34048, 610618), (39214, 530176), (44816, 463904), (48832, 425752), (53219, 390656), (55808, 372533), (57988, 358528), (66272, 313712), (68096, 305309), (78428, 265088), (89632, 231952), (97664, 212876), (106438, 195328), (115976, 179264), (132544, 156856)]