20896372010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{961637}}^1$

素因数の和:961738

約数の個数: 32

約数和(自身を含む): 39257909712

約数和(自身を除く): 18361537702

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 2173, 4346, 10865, 21730, 961637, 1923274, 4808185, 9616370, 39427117, 50966761, 78854234, 101933522, 197135585, 254833805, 394271170, 509667610, 2089637201, 4179274402, 10448186005, 20896372010]

約数ペア:

[(1, 20896372010), (2, 10448186005), (5, 4179274402), (10, 2089637201), (41, 509667610), (53, 394271170), (82, 254833805), (106, 197135585), (205, 101933522), (265, 78854234), (410, 50966761), (530, 39427117), (2173, 9616370), (4346, 4808185), (10865, 1923274), (21730, 961637)]