20421036670

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{515813}}^1$

素因数の和:515964

約数の個数: 32

約数和(自身を含む): 38104211808

約数和(自身を除く): 17683175138

約数列:

[1, 2, 5, 10, 37, 74, 107, 185, 214, 370, 535, 1070, 3959, 7918, 19795, 39590, 515813, 1031626, 2579065, 5158130, 19085081, 38170162, 55191991, 95425405, 110383982, 190850810, 275959955, 551919910, 2042103667, 4084207334, 10210518335, 20421036670]

約数ペア:

[(1, 20421036670), (2, 10210518335), (5, 4084207334), (10, 2042103667), (37, 551919910), (74, 275959955), (107, 190850810), (185, 110383982), (214, 95425405), (370, 55191991), (535, 38170162), (1070, 19085081), (3959, 5158130), (7918, 2579065), (19795, 1031626), (39590, 515813)]