20184648760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{133109}}^1$

素因数の和:133360

約数の個数: 64

約数和(自身を含む): 48302956800

約数和(自身を除く): 28118308040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 446, 680, 892, 1115, 1784, 2230, 3791, 4460, 7582, 8920, 15164, 18955, 30328, 37910, 75820, 133109, 151640, 266218, 532436, 665545, 1064872, 1331090, 2262853, 2662180, 4525706, 5324360, 9051412, 11314265, 18102824, 22628530, 29683307, 45257060, 59366614, 90514120, 118733228, 148416535, 237466456, 296833070, 504616219, 593666140, 1009232438, 1187332280, 2018464876, 2523081095, 4036929752, 5046162190, 10092324380, 20184648760]

約数ペア:

[(1, 20184648760), (2, 10092324380), (4, 5046162190), (5, 4036929752), (8, 2523081095), (10, 2018464876), (17, 1187332280), (20, 1009232438), (34, 593666140), (40, 504616219), (68, 296833070), (85, 237466456), (136, 148416535), (170, 118733228), (223, 90514120), (340, 59366614), (446, 45257060), (680, 29683307), (892, 22628530), (1115, 18102824), (1784, 11314265), (2230, 9051412), (3791, 5324360), (4460, 4525706), (7582, 2662180), (8920, 2262853), (15164, 1331090), (18955, 1064872), (30328, 665545), (37910, 532436), (75820, 266218), (133109, 151640)]