20715648

素因数分解:

$2^7\times 3^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 55855200

約数和(自身を除く): 35139552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 292, 384, 438, 584, 739, 876, 1168, 1478, 1752, 2217, 2336, 2956, 3504, 4434, 4672, 5912, 7008, 8868, 9344, 11824, 14016, 17736, 23648, 28032, 35472, 47296, 53947, 70944, 94592, 107894, 141888, 161841, 215788, 283776, 323682, 431576, 647364, 863152, 1294728, 1726304, 2589456, 3452608, 5178912, 6905216, 10357824, 20715648]

約数ペア:

[(1, 20715648), (2, 10357824), (3, 6905216), (4, 5178912), (6, 3452608), (8, 2589456), (12, 1726304), (16, 1294728), (24, 863152), (32, 647364), (48, 431576), (64, 323682), (73, 283776), (96, 215788), (128, 161841), (146, 141888), (192, 107894), (219, 94592), (292, 70944), (384, 53947), (438, 47296), (584, 35472), (739, 28032), (876, 23648), (1168, 17736), (1478, 14016), (1752, 11824), (2217, 9344), (2336, 8868), (2956, 7008), (3504, 5912), (4434, 4672)]