20199736459

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 25003883520

約数和(自身を除く): 4804147061

約数列:

[1, 7, 41, 43, 53, 89, 287, 301, 347, 371, 623, 1763, 2173, 2279, 2429, 3649, 3827, 4717, 12341, 14227, 14921, 15211, 15953, 18391, 25543, 26789, 30883, 33019, 93439, 99589, 104447, 128737, 156907, 193397, 202831, 216181, 611761, 654073, 754031, 790813, 1098349, 1266203, 1327969, 1353779, 1419817, 1636799, 4282327, 5278217, 5535691, 8316071, 8863421, 9295783, 11457593, 32423333, 54446729, 58212497, 67108759, 70382357, 226963331, 381127103, 469761313, 492676499, 2885676637, 20199736459]

約数ペア:

[(1, 20199736459), (7, 2885676637), (41, 492676499), (43, 469761313), (53, 381127103), (89, 226963331), (287, 70382357), (301, 67108759), (347, 58212497), (371, 54446729), (623, 32423333), (1763, 11457593), (2173, 9295783), (2279, 8863421), (2429, 8316071), (3649, 5535691), (3827, 5278217), (4717, 4282327), (12341, 1636799), (14227, 1419817), (14921, 1353779), (15211, 1327969), (15953, 1266203), (18391, 1098349), (25543, 790813), (26789, 754031), (30883, 654073), (33019, 611761), (93439, 216181), (99589, 202831), (104447, 193397), (128737, 156907)]