20017536

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 66389760

約数和(自身を除く): 46372224

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 677, 704, 896, 924, 1056, 1232, 1344, 1354, 1408, 1848, 2031, 2112, 2464, 2688, 2708, 3696, 4062, 4224, 4739, 4928, 5416, 7392, 7447, 8124, 9478, 9856, 10832, 14217, 14784, 14894, 16248, 18956, 21664, 22341, 28434, 29568, 29788, 32496, 37912, 43328, 44682, 52129, 56868, 59576, 64992, 75824, 86656, 89364, 104258, 113736, 119152, 129984, 151648, 156387, 178728, 208516, 227472, 238304, 259968, 303296, 312774, 357456, 417032, 454944, 476608, 606592, 625548, 714912, 834064, 909888, 953216, 1251096, 1429824, 1668128, 1819776, 2502192, 2859648, 3336256, 5004384, 6672512, 10008768, 20017536]

約数ペア:

[(1, 20017536), (2, 10008768), (3, 6672512), (4, 5004384), (6, 3336256), (7, 2859648), (8, 2502192), (11, 1819776), (12, 1668128), (14, 1429824), (16, 1251096), (21, 953216), (22, 909888), (24, 834064), (28, 714912), (32, 625548), (33, 606592), (42, 476608), (44, 454944), (48, 417032), (56, 357456), (64, 312774), (66, 303296), (77, 259968), (84, 238304), (88, 227472), (96, 208516), (112, 178728), (128, 156387), (132, 151648), (154, 129984), (168, 119152), (176, 113736), (192, 104258), (224, 89364), (231, 86656), (264, 75824), (308, 64992), (336, 59576), (352, 56868), (384, 52129), (448, 44682), (462, 43328), (528, 37912), (616, 32496), (672, 29788), (677, 29568), (704, 28434), (896, 22341), (924, 21664), (1056, 18956), (1232, 16248), (1344, 14894), (1354, 14784), (1408, 14217), (1848, 10832), (2031, 9856), (2112, 9478), (2464, 8124), (2688, 7447), (2708, 7392), (3696, 5416), (4062, 4928), (4224, 4739)]