20736724

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 16801196

約数列:

[1, 2, 4, 37, 74, 148, 167, 334, 668, 839, 1678, 3356, 6179, 12358, 24716, 31043, 62086, 124172, 140113, 280226, 560452, 5184181, 10368362, 20736724]

約数ペア:

[(1, 20736724), (2, 10368362), (4, 5184181), (37, 560452), (74, 280226), (148, 140113), (167, 124172), (334, 62086), (668, 31043), (839, 24716), (1678, 12358), (3356, 6179)]