20854440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1163

約数の個数: 96

約数和(自身を含む): 69118920

約数和(自身を除く): 48264480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1093, 1272, 1590, 1908, 2120, 2186, 2385, 3180, 3279, 3816, 4372, 4770, 5465, 6360, 6558, 8744, 9540, 9837, 10930, 13116, 16395, 19080, 19674, 21860, 26232, 32790, 39348, 43720, 49185, 57929, 65580, 78696, 98370, 115858, 131160, 173787, 196740, 231716, 289645, 347574, 393480, 463432, 521361, 579290, 695148, 868935, 1042722, 1158580, 1390296, 1737870, 2085444, 2317160, 2606805, 3475740, 4170888, 5213610, 6951480, 10427220, 20854440]

約数ペア:

[(1, 20854440), (2, 10427220), (3, 6951480), (4, 5213610), (5, 4170888), (6, 3475740), (8, 2606805), (9, 2317160), (10, 2085444), (12, 1737870), (15, 1390296), (18, 1158580), (20, 1042722), (24, 868935), (30, 695148), (36, 579290), (40, 521361), (45, 463432), (53, 393480), (60, 347574), (72, 289645), (90, 231716), (106, 196740), (120, 173787), (159, 131160), (180, 115858), (212, 98370), (265, 78696), (318, 65580), (360, 57929), (424, 49185), (477, 43720), (530, 39348), (636, 32790), (795, 26232), (954, 21860), (1060, 19674), (1093, 19080), (1272, 16395), (1590, 13116), (1908, 10930), (2120, 9837), (2186, 9540), (2385, 8744), (3180, 6558), (3279, 6360), (3816, 5465), (4372, 4770)]