20173896340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1804463}}^1$

素因数の和:1804528

約数の個数: 48

約数和(自身を含む): 46685092608

約数和(自身を除く): 26511196268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 1804463, 3608926, 7217852, 9022315, 18044630, 23458019, 36089260, 46916038, 77591909, 93832076, 117290095, 155183818, 234580190, 310367636, 387959545, 469160380, 775919090, 1008694817, 1551838180, 2017389634, 4034779268, 5043474085, 10086948170, 20173896340]

約数ペア:

[(1, 20173896340), (2, 10086948170), (4, 5043474085), (5, 4034779268), (10, 2017389634), (13, 1551838180), (20, 1008694817), (26, 775919090), (43, 469160380), (52, 387959545), (65, 310367636), (86, 234580190), (130, 155183818), (172, 117290095), (215, 93832076), (260, 77591909), (430, 46916038), (559, 36089260), (860, 23458019), (1118, 18044630), (2236, 9022315), (2795, 7217852), (5590, 3608926), (11180, 1804463)]