20868936

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 57430080

約数和(自身を除く): 36561144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 548, 577, 822, 1096, 1154, 1507, 1644, 1731, 2308, 3014, 3288, 3462, 4521, 4616, 6028, 6347, 6924, 9042, 12056, 12694, 13848, 18084, 19041, 25388, 36168, 38082, 50776, 76164, 79049, 152328, 158098, 237147, 316196, 474294, 632392, 869539, 948588, 1739078, 1897176, 2608617, 3478156, 5217234, 6956312, 10434468, 20868936]

約数ペア:

[(1, 20868936), (2, 10434468), (3, 6956312), (4, 5217234), (6, 3478156), (8, 2608617), (11, 1897176), (12, 1739078), (22, 948588), (24, 869539), (33, 632392), (44, 474294), (66, 316196), (88, 237147), (132, 158098), (137, 152328), (264, 79049), (274, 76164), (411, 50776), (548, 38082), (577, 36168), (822, 25388), (1096, 19041), (1154, 18084), (1507, 13848), (1644, 12694), (1731, 12056), (2308, 9042), (3014, 6924), (3288, 6347), (3462, 6028), (4521, 4616)]