20177035310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{797}}^1\times {\mathrm{1087}}^1$

素因数の和:2045

約数の個数: 64

約数和(自身を含む): 38820031488

約数和(自身を除く): 18642996178

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 797, 1087, 1370, 1594, 2174, 2329, 3985, 4658, 5435, 7970, 10870, 11645, 13549, 18479, 23290, 27098, 36958, 67745, 92395, 109189, 135490, 148919, 184790, 218378, 297838, 545945, 744595, 866339, 1091890, 1489190, 1732678, 1856213, 2531623, 3712426, 4331695, 5063246, 8663390, 9281065, 12658115, 14727763, 18562130, 25316230, 29455526, 73638815, 118688443, 147277630, 237376886, 593442215, 1186884430, 2017703531, 4035407062, 10088517655, 20177035310]

約数ペア:

[(1, 20177035310), (2, 10088517655), (5, 4035407062), (10, 2017703531), (17, 1186884430), (34, 593442215), (85, 237376886), (137, 147277630), (170, 118688443), (274, 73638815), (685, 29455526), (797, 25316230), (1087, 18562130), (1370, 14727763), (1594, 12658115), (2174, 9281065), (2329, 8663390), (3985, 5063246), (4658, 4331695), (5435, 3712426), (7970, 2531623), (10870, 1856213), (11645, 1732678), (13549, 1489190), (18479, 1091890), (23290, 866339), (27098, 744595), (36958, 545945), (67745, 297838), (92395, 218378), (109189, 184790), (135490, 148919)]