20106135944

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 38516128560

約数和(自身を除く): 18409992616

約数列:

[1, 2, 4, 8, 97, 181, 194, 257, 362, 388, 514, 557, 724, 776, 1028, 1114, 1448, 2056, 2228, 4456, 17557, 24929, 35114, 46517, 49858, 54029, 70228, 93034, 99716, 100817, 108058, 140456, 143149, 186068, 199432, 201634, 216116, 286298, 372136, 403268, 432232, 572596, 806536, 1145192, 4512149, 9024298, 9779249, 13885453, 18048596, 19558498, 25909969, 27770906, 36097192, 39116996, 51819938, 55541812, 78233992, 103639876, 111083624, 207279752, 2513266993, 5026533986, 10053067972, 20106135944]

約数ペア:

[(1, 20106135944), (2, 10053067972), (4, 5026533986), (8, 2513266993), (97, 207279752), (181, 111083624), (194, 103639876), (257, 78233992), (362, 55541812), (388, 51819938), (514, 39116996), (557, 36097192), (724, 27770906), (776, 25909969), (1028, 19558498), (1114, 18048596), (1448, 13885453), (2056, 9779249), (2228, 9024298), (4456, 4512149), (17557, 1145192), (24929, 806536), (35114, 572596), (46517, 432232), (49858, 403268), (54029, 372136), (70228, 286298), (93034, 216116), (99716, 201634), (100817, 199432), (108058, 186068), (140456, 143149)]