20977872

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{2617}}^1$

素因数の和:2795

約数の個数: 40

約数和(自身を含む): 54538176

約数和(自身を除く): 33560304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 501, 668, 1002, 1336, 2004, 2617, 2672, 4008, 5234, 7851, 8016, 10468, 15702, 20936, 31404, 41872, 62808, 125616, 437039, 874078, 1311117, 1748156, 2622234, 3496312, 5244468, 6992624, 10488936, 20977872]

約数ペア:

[(1, 20977872), (2, 10488936), (3, 6992624), (4, 5244468), (6, 3496312), (8, 2622234), (12, 1748156), (16, 1311117), (24, 874078), (48, 437039), (167, 125616), (334, 62808), (501, 41872), (668, 31404), (1002, 20936), (1336, 15702), (2004, 10468), (2617, 8016), (2672, 7851), (4008, 5234)]