20763056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 42580608

約数和(自身を除く): 21817552

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1021, 1271, 2042, 2542, 4084, 5084, 8168, 10168, 16336, 20336, 31651, 41861, 63302, 83722, 126604, 167444, 253208, 334888, 506416, 669776, 1297691, 2595382, 5190764, 10381528, 20763056]

約数ペア:

[(1, 20763056), (2, 10381528), (4, 5190764), (8, 2595382), (16, 1297691), (31, 669776), (41, 506416), (62, 334888), (82, 253208), (124, 167444), (164, 126604), (248, 83722), (328, 63302), (496, 41861), (656, 31651), (1021, 20336), (1271, 16336), (2042, 10168), (2542, 8168), (4084, 5084)]