20484618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 31217142

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 101, 154, 202, 231, 303, 439, 462, 606, 707, 878, 1111, 1317, 1414, 2121, 2222, 2634, 3073, 3333, 4242, 4829, 6146, 6666, 7777, 9219, 9658, 14487, 15554, 18438, 23331, 28974, 33803, 44339, 46662, 67606, 88678, 101409, 133017, 202818, 266034, 310373, 487729, 620746, 931119, 975458, 1463187, 1862238, 2926374, 3414103, 6828206, 10242309, 20484618]

約数ペア:

[(1, 20484618), (2, 10242309), (3, 6828206), (6, 3414103), (7, 2926374), (11, 1862238), (14, 1463187), (21, 975458), (22, 931119), (33, 620746), (42, 487729), (66, 310373), (77, 266034), (101, 202818), (154, 133017), (202, 101409), (231, 88678), (303, 67606), (439, 46662), (462, 44339), (606, 33803), (707, 28974), (878, 23331), (1111, 18438), (1317, 15554), (1414, 14487), (2121, 9658), (2222, 9219), (2634, 7777), (3073, 6666), (3333, 6146), (4242, 4829)]