20392112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 46247040

約数和(自身を除く): 25854928

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 79, 104, 136, 146, 158, 208, 221, 272, 292, 316, 442, 584, 632, 884, 949, 1027, 1168, 1241, 1264, 1343, 1768, 1898, 2054, 2482, 2686, 3536, 3796, 4108, 4964, 5372, 5767, 7592, 8216, 9928, 10744, 11534, 15184, 16133, 16432, 17459, 19856, 21488, 23068, 32266, 34918, 46136, 64532, 69836, 74971, 92272, 98039, 129064, 139672, 149942, 196078, 258128, 279344, 299884, 392156, 599768, 784312, 1199536, 1274507, 1568624, 2549014, 5098028, 10196056, 20392112]

約数ペア:

[(1, 20392112), (2, 10196056), (4, 5098028), (8, 2549014), (13, 1568624), (16, 1274507), (17, 1199536), (26, 784312), (34, 599768), (52, 392156), (68, 299884), (73, 279344), (79, 258128), (104, 196078), (136, 149942), (146, 139672), (158, 129064), (208, 98039), (221, 92272), (272, 74971), (292, 69836), (316, 64532), (442, 46136), (584, 34918), (632, 32266), (884, 23068), (949, 21488), (1027, 19856), (1168, 17459), (1241, 16432), (1264, 16133), (1343, 15184), (1768, 11534), (1898, 10744), (2054, 9928), (2482, 8216), (2686, 7592), (3536, 5767), (3796, 5372), (4108, 4964)]