20095059440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1\times {\mathrm{8707}}^1$

素因数の和:10434

約数の個数: 80

約数和(自身を含む): 49504144032

約数和(自身を除く): 29409084592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1697, 3394, 6788, 8485, 8707, 13576, 16970, 17414, 27152, 28849, 33940, 34828, 43535, 57698, 67880, 69656, 87070, 115396, 135760, 139312, 144245, 148019, 174140, 230792, 288490, 296038, 348280, 461584, 576980, 592076, 696560, 740095, 1153960, 1184152, 1480190, 2307920, 2368304, 2960380, 5920760, 11841520, 14775779, 29551558, 59103116, 73878895, 118206232, 147757790, 236412464, 251188243, 295515580, 502376486, 591031160, 1004752972, 1182062320, 1255941215, 2009505944, 2511882430, 4019011888, 5023764860, 10047529720, 20095059440]

約数ペア:

[(1, 20095059440), (2, 10047529720), (4, 5023764860), (5, 4019011888), (8, 2511882430), (10, 2009505944), (16, 1255941215), (17, 1182062320), (20, 1004752972), (34, 591031160), (40, 502376486), (68, 295515580), (80, 251188243), (85, 236412464), (136, 147757790), (170, 118206232), (272, 73878895), (340, 59103116), (680, 29551558), (1360, 14775779), (1697, 11841520), (3394, 5920760), (6788, 2960380), (8485, 2368304), (8707, 2307920), (13576, 1480190), (16970, 1184152), (17414, 1153960), (27152, 740095), (28849, 696560), (33940, 592076), (34828, 576980), (43535, 461584), (57698, 348280), (67880, 296038), (69656, 288490), (87070, 230792), (115396, 174140), (135760, 148019), (139312, 144245)]