20526350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 42934752

約数和(自身を除く): 22408402

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1373, 1495, 2746, 2990, 6865, 7475, 13730, 14950, 17849, 31579, 34325, 35698, 63158, 68650, 89245, 157895, 178490, 315790, 410527, 446225, 789475, 821054, 892450, 1578950, 2052635, 4105270, 10263175, 20526350]

約数ペア:

[(1, 20526350), (2, 10263175), (5, 4105270), (10, 2052635), (13, 1578950), (23, 892450), (25, 821054), (26, 789475), (46, 446225), (50, 410527), (65, 315790), (115, 178490), (130, 157895), (230, 89245), (299, 68650), (325, 63158), (575, 35698), (598, 34325), (650, 31579), (1150, 17849), (1373, 14950), (1495, 13730), (2746, 7475), (2990, 6865)]