20808548696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{32381}}^1$

素因数の和:32604

約数の個数: 64

約数和(自身を含む): 43412604480

約数和(自身を除く): 22604055784

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 167, 296, 334, 481, 668, 962, 1336, 1924, 2171, 3848, 4342, 6179, 8684, 12358, 17368, 24716, 32381, 49432, 64762, 80327, 129524, 160654, 259048, 321308, 420953, 642616, 841906, 1198097, 1683812, 2396194, 3367624, 4792388, 5407627, 9584776, 10815254, 15575261, 21630508, 31150522, 43261016, 62301044, 70299151, 124602088, 140598302, 200082199, 281196604, 400164398, 562393208, 800328796, 1600657592, 2601068587, 5202137174, 10404274348, 20808548696]

約数ペア:

[(1, 20808548696), (2, 10404274348), (4, 5202137174), (8, 2601068587), (13, 1600657592), (26, 800328796), (37, 562393208), (52, 400164398), (74, 281196604), (104, 200082199), (148, 140598302), (167, 124602088), (296, 70299151), (334, 62301044), (481, 43261016), (668, 31150522), (962, 21630508), (1336, 15575261), (1924, 10815254), (2171, 9584776), (3848, 5407627), (4342, 4792388), (6179, 3367624), (8684, 2396194), (12358, 1683812), (17368, 1198097), (24716, 841906), (32381, 642616), (49432, 420953), (64762, 321308), (80327, 259048), (129524, 160654)]