20996987198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1553

約数の個数: 64

約数和(自身を含む): 36805985280

約数和(自身を除く): 15808998082

約数列:

[1, 2, 11, 17, 22, 34, 113, 187, 226, 374, 691, 719, 1243, 1382, 1438, 1921, 2486, 3842, 7601, 7909, 11747, 12223, 15202, 15818, 21131, 23494, 24446, 42262, 78083, 81247, 129217, 134453, 156166, 162494, 258434, 268906, 496829, 858913, 893717, 993658, 1327411, 1381199, 1717826, 1787434, 2654822, 2762398, 5465119, 8446093, 10930238, 14601521, 15193189, 16892186, 29203042, 30386378, 56141677, 92907023, 112283354, 185814046, 617558447, 954408509, 1235116894, 1908817018, 10498493599, 20996987198]

約数ペア:

[(1, 20996987198), (2, 10498493599), (11, 1908817018), (17, 1235116894), (22, 954408509), (34, 617558447), (113, 185814046), (187, 112283354), (226, 92907023), (374, 56141677), (691, 30386378), (719, 29203042), (1243, 16892186), (1382, 15193189), (1438, 14601521), (1921, 10930238), (2486, 8446093), (3842, 5465119), (7601, 2762398), (7909, 2654822), (11747, 1787434), (12223, 1717826), (15202, 1381199), (15818, 1327411), (21131, 993658), (23494, 893717), (24446, 858913), (42262, 496829), (78083, 268906), (81247, 258434), (129217, 162494), (134453, 156166)]