20943900794888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{587}}^1\times {\mathrm{513641}}^1$

素因数の和:514710

約数の個数: 64

約数和(自身を含む): 41497753550400

約数和(自身を除く): 20553852755512

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 457, 587, 914, 1174, 1828, 2348, 3656, 4696, 8683, 11153, 17366, 22306, 34732, 44612, 69464, 89224, 268259, 513641, 536518, 1027282, 1073036, 2054564, 2146072, 4109128, 5096921, 9759179, 10193842, 19518358, 20387684, 39036716, 40775368, 78073432, 234733937, 301507267, 469467874, 603014534, 938935748, 1206029068, 1877871496, 2412058136, 4459944803, 5728638073, 8919889606, 11457276146, 17839779212, 22914552292, 35679558424, 45829104584, 137788821019, 275577642038, 551155284076, 1102310568152, 2617987599361, 5235975198722, 10471950397444, 20943900794888]

約数ペア:

[(1, 20943900794888), (2, 10471950397444), (4, 5235975198722), (8, 2617987599361), (19, 1102310568152), (38, 551155284076), (76, 275577642038), (152, 137788821019), (457, 45829104584), (587, 35679558424), (914, 22914552292), (1174, 17839779212), (1828, 11457276146), (2348, 8919889606), (3656, 5728638073), (4696, 4459944803), (8683, 2412058136), (11153, 1877871496), (17366, 1206029068), (22306, 938935748), (34732, 603014534), (44612, 469467874), (69464, 301507267), (89224, 234733937), (268259, 78073432), (513641, 40775368), (536518, 39036716), (1027282, 20387684), (1073036, 19518358), (2054564, 10193842), (2146072, 9759179), (4109128, 5096921)]