20430016

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 56

約数和(自身を含む): 43616880

約数和(自身を除く): 23186864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 304, 317, 424, 608, 634, 848, 1007, 1216, 1268, 1696, 2014, 2536, 3392, 4028, 5072, 6023, 8056, 10144, 12046, 16112, 16801, 20288, 24092, 32224, 33602, 48184, 64448, 67204, 96368, 134408, 192736, 268816, 319219, 385472, 537632, 638438, 1075264, 1276876, 2553752, 5107504, 10215008, 20430016]

約数ペア:

[(1, 20430016), (2, 10215008), (4, 5107504), (8, 2553752), (16, 1276876), (19, 1075264), (32, 638438), (38, 537632), (53, 385472), (64, 319219), (76, 268816), (106, 192736), (152, 134408), (212, 96368), (304, 67204), (317, 64448), (424, 48184), (608, 33602), (634, 32224), (848, 24092), (1007, 20288), (1216, 16801), (1268, 16112), (1696, 12046), (2014, 10144), (2536, 8056), (3392, 6023), (4028, 5072)]