20791608914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 33764480640

約数和(自身を除く): 12972871726

約数列:

[1, 2, 19, 38, 101, 107, 197, 202, 214, 257, 394, 514, 1919, 2033, 3743, 3838, 4066, 4883, 7486, 9766, 10807, 19897, 21079, 21614, 25957, 27499, 39794, 42158, 50629, 51914, 54998, 101258, 205333, 378043, 400501, 410666, 493183, 522481, 756086, 801002, 961951, 986366, 1044962, 1923902, 2128979, 2777399, 4257958, 5113529, 5417303, 5554798, 10227058, 10834606, 40450601, 52770581, 80901202, 97157051, 102928757, 105541162, 194314102, 205857514, 547147603, 1094295206, 10395804457, 20791608914]

約数ペア:

[(1, 20791608914), (2, 10395804457), (19, 1094295206), (38, 547147603), (101, 205857514), (107, 194314102), (197, 105541162), (202, 102928757), (214, 97157051), (257, 80901202), (394, 52770581), (514, 40450601), (1919, 10834606), (2033, 10227058), (3743, 5554798), (3838, 5417303), (4066, 5113529), (4883, 4257958), (7486, 2777399), (9766, 2128979), (10807, 1923902), (19897, 1044962), (21079, 986366), (21614, 961951), (25957, 801002), (27499, 756086), (39794, 522481), (42158, 493183), (50629, 410666), (51914, 400501), (54998, 378043), (101258, 205333)]