20218229248

素因数分解:

$2^9\times 7^1\times {\mathrm{509}}^1\times {\mathrm{11083}}^1$

素因数の和:11617

約数の個数: 80

約数和(自身を含む): 46262842560

約数和(自身を除く): 26044613312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 509, 512, 896, 1018, 1792, 2036, 3563, 3584, 4072, 7126, 8144, 11083, 14252, 16288, 22166, 28504, 32576, 44332, 57008, 65152, 77581, 88664, 114016, 130304, 155162, 177328, 228032, 260608, 310324, 354656, 456064, 620648, 709312, 912128, 1241296, 1418624, 1824256, 2482592, 2837248, 4965184, 5641247, 5674496, 9930368, 11282494, 19860736, 22564988, 39488729, 39721472, 45129976, 78977458, 90259952, 157954916, 180519904, 315909832, 361039808, 631819664, 722079616, 1263639328, 1444159232, 2527278656, 2888318464, 5054557312, 10109114624, 20218229248]

約数ペア:

[(1, 20218229248), (2, 10109114624), (4, 5054557312), (7, 2888318464), (8, 2527278656), (14, 1444159232), (16, 1263639328), (28, 722079616), (32, 631819664), (56, 361039808), (64, 315909832), (112, 180519904), (128, 157954916), (224, 90259952), (256, 78977458), (448, 45129976), (509, 39721472), (512, 39488729), (896, 22564988), (1018, 19860736), (1792, 11282494), (2036, 9930368), (3563, 5674496), (3584, 5641247), (4072, 4965184), (7126, 2837248), (8144, 2482592), (11083, 1824256), (14252, 1418624), (16288, 1241296), (22166, 912128), (28504, 709312), (32576, 620648), (44332, 456064), (57008, 354656), (65152, 310324), (77581, 260608), (88664, 228032), (114016, 177328), (130304, 155162)]