20218661650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{31393}}^1$

素因数の和:32587

約数の個数: 48

約数和(自身を含む): 41061845088

約数和(自身を除く): 20843183438

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1171, 2342, 5855, 11710, 12881, 25762, 29275, 31393, 58550, 62786, 64405, 128810, 156965, 313930, 322025, 345323, 644050, 690646, 784825, 1569650, 1726615, 3453230, 8633075, 17266150, 36761203, 73522406, 183806015, 367612030, 404373233, 808746466, 919030075, 1838060150, 2021866165, 4043732330, 10109330825, 20218661650]

約数ペア:

[(1, 20218661650), (2, 10109330825), (5, 4043732330), (10, 2021866165), (11, 1838060150), (22, 919030075), (25, 808746466), (50, 404373233), (55, 367612030), (110, 183806015), (275, 73522406), (550, 36761203), (1171, 17266150), (2342, 8633075), (5855, 3453230), (11710, 1726615), (12881, 1569650), (25762, 784825), (29275, 690646), (31393, 644050), (58550, 345323), (62786, 322025), (64405, 313930), (128810, 156965)]