20408088690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1874021}}^1$

素因数の和:1874056

約数の個数: 72

約数和(自身を含む): 58323312684

約数和(自身を除く): 37915223994

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 1874021, 3748042, 5622063, 9370105, 11244126, 16866189, 18740210, 20614231, 28110315, 33732378, 41228462, 56220630, 61842693, 84330945, 103071155, 123685386, 168661890, 185528079, 206142310, 226756541, 309213465, 371056158, 453513082, 618426930, 680269623, 927640395, 1133782705, 1360539246, 1855280790, 2040808869, 2267565410, 3401348115, 4081617738, 6802696230, 10204044345, 20408088690]

約数ペア:

[(1, 20408088690), (2, 10204044345), (3, 6802696230), (5, 4081617738), (6, 3401348115), (9, 2267565410), (10, 2040808869), (11, 1855280790), (15, 1360539246), (18, 1133782705), (22, 927640395), (30, 680269623), (33, 618426930), (45, 453513082), (55, 371056158), (66, 309213465), (90, 226756541), (99, 206142310), (110, 185528079), (121, 168661890), (165, 123685386), (198, 103071155), (242, 84330945), (330, 61842693), (363, 56220630), (495, 41228462), (605, 33732378), (726, 28110315), (990, 20614231), (1089, 18740210), (1210, 16866189), (1815, 11244126), (2178, 9370105), (3630, 5622063), (5445, 3748042), (10890, 1874021)]