20836512

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1106

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 39310848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1019, 1136, 1278, 1704, 2038, 2272, 2556, 3057, 3408, 4076, 5112, 6114, 6816, 8152, 9171, 10224, 12228, 16304, 18342, 20448, 24456, 32608, 36684, 48912, 72349, 73368, 97824, 144698, 146736, 217047, 289396, 293472, 434094, 578792, 651141, 868188, 1157584, 1302282, 1736376, 2315168, 2604564, 3472752, 5209128, 6945504, 10418256, 20836512]

約数ペア:

[(1, 20836512), (2, 10418256), (3, 6945504), (4, 5209128), (6, 3472752), (8, 2604564), (9, 2315168), (12, 1736376), (16, 1302282), (18, 1157584), (24, 868188), (32, 651141), (36, 578792), (48, 434094), (71, 293472), (72, 289396), (96, 217047), (142, 146736), (144, 144698), (213, 97824), (284, 73368), (288, 72349), (426, 48912), (568, 36684), (639, 32608), (852, 24456), (1019, 20448), (1136, 18342), (1278, 16304), (1704, 12228), (2038, 10224), (2272, 9171), (2556, 8152), (3057, 6816), (3408, 6114), (4076, 5112)]