20511936

素因数分解:

$2^6\times 3^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 84

約数和(自身を含む): 59436000

約数和(自身を除く): 38924064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 149, 192, 239, 288, 298, 447, 478, 576, 596, 717, 894, 956, 1192, 1341, 1434, 1788, 1912, 2151, 2384, 2682, 2868, 3576, 3824, 4302, 4768, 5364, 5736, 7152, 7648, 8604, 9536, 10728, 11472, 14304, 15296, 17208, 21456, 22944, 28608, 34416, 35611, 42912, 45888, 68832, 71222, 85824, 106833, 137664, 142444, 213666, 284888, 320499, 427332, 569776, 640998, 854664, 1139552, 1281996, 1709328, 2279104, 2563992, 3418656, 5127984, 6837312, 10255968, 20511936]

約数ペア:

[(1, 20511936), (2, 10255968), (3, 6837312), (4, 5127984), (6, 3418656), (8, 2563992), (9, 2279104), (12, 1709328), (16, 1281996), (18, 1139552), (24, 854664), (32, 640998), (36, 569776), (48, 427332), (64, 320499), (72, 284888), (96, 213666), (144, 142444), (149, 137664), (192, 106833), (239, 85824), (288, 71222), (298, 68832), (447, 45888), (478, 42912), (576, 35611), (596, 34416), (717, 28608), (894, 22944), (956, 21456), (1192, 17208), (1341, 15296), (1434, 14304), (1788, 11472), (1912, 10728), (2151, 9536), (2384, 8604), (2682, 7648), (2868, 7152), (3576, 5736), (3824, 5364), (4302, 4768)]