20174415870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{7879}}^1$

素因数の和:8122

約数の個数: 128

約数和(自身を含む): 56372889600

約数和(自身を除く): 36198473730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 137, 178, 210, 267, 274, 411, 445, 534, 623, 685, 822, 890, 959, 1246, 1335, 1370, 1869, 1918, 2055, 2670, 2877, 3115, 3738, 4110, 4795, 5754, 6230, 7879, 9345, 9590, 12193, 14385, 15758, 18690, 23637, 24386, 28770, 36579, 39395, 47274, 55153, 60965, 73158, 78790, 85351, 110306, 118185, 121930, 165459, 170702, 182895, 236370, 256053, 275765, 330918, 365790, 426755, 512106, 551530, 701231, 827295, 853510, 1079423, 1280265, 1402462, 1654590, 2103693, 2158846, 2560530, 3238269, 3506155, 4207386, 4908617, 5397115, 6476538, 7012310, 7555961, 9817234, 10518465, 10794230, 14725851, 15111922, 16191345, 21036930, 22667883, 24543085, 29451702, 32382690, 37779805, 45335766, 49086170, 73629255, 75559610, 96068647, 113339415, 147258510, 192137294, 226678830, 288205941, 480343235, 576411882, 672480529, 960686470, 1344961058, 1441029705, 2017441587, 2882059410, 3362402645, 4034883174, 6724805290, 10087207935, 20174415870]

約数ペア:

[(1, 20174415870), (2, 10087207935), (3, 6724805290), (5, 4034883174), (6, 3362402645), (7, 2882059410), (10, 2017441587), (14, 1441029705), (15, 1344961058), (21, 960686470), (30, 672480529), (35, 576411882), (42, 480343235), (70, 288205941), (89, 226678830), (105, 192137294), (137, 147258510), (178, 113339415), (210, 96068647), (267, 75559610), (274, 73629255), (411, 49086170), (445, 45335766), (534, 37779805), (623, 32382690), (685, 29451702), (822, 24543085), (890, 22667883), (959, 21036930), (1246, 16191345), (1335, 15111922), (1370, 14725851), (1869, 10794230), (1918, 10518465), (2055, 9817234), (2670, 7555961), (2877, 7012310), (3115, 6476538), (3738, 5397115), (4110, 4908617), (4795, 4207386), (5754, 3506155), (6230, 3238269), (7879, 2560530), (9345, 2158846), (9590, 2103693), (12193, 1654590), (14385, 1402462), (15758, 1280265), (18690, 1079423), (23637, 853510), (24386, 827295), (28770, 701231), (36579, 551530), (39395, 512106), (47274, 426755), (55153, 365790), (60965, 330918), (73158, 275765), (78790, 256053), (85351, 236370), (110306, 182895), (118185, 170702), (121930, 165459)]