20163225890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{1907}}^1$

素因数の和:2391

約数の個数: 64

約数和(自身を含む): 37814667264

約数和(自身を除く): 17651441374

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 335, 367, 430, 670, 734, 1835, 1907, 2881, 3670, 3814, 5762, 9535, 14405, 15781, 19070, 24589, 28810, 31562, 49178, 78905, 82001, 122945, 127769, 157810, 164002, 245890, 255538, 410005, 638845, 699869, 820010, 1057327, 1277690, 1399738, 2114654, 3499345, 5286635, 5494067, 6998690, 10573270, 10988134, 27470335, 30094367, 46891223, 54940670, 60188734, 93782446, 150471835, 234456115, 300943670, 468912230, 2016322589, 4032645178, 10081612945, 20163225890]

約数ペア:

[(1, 20163225890), (2, 10081612945), (5, 4032645178), (10, 2016322589), (43, 468912230), (67, 300943670), (86, 234456115), (134, 150471835), (215, 93782446), (335, 60188734), (367, 54940670), (430, 46891223), (670, 30094367), (734, 27470335), (1835, 10988134), (1907, 10573270), (2881, 6998690), (3670, 5494067), (3814, 5286635), (5762, 3499345), (9535, 2114654), (14405, 1399738), (15781, 1277690), (19070, 1057327), (24589, 820010), (28810, 699869), (31562, 638845), (49178, 410005), (78905, 255538), (82001, 245890), (122945, 164002), (127769, 157810)]