20805192

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2861}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 56925180

約数和(自身を除く): 36119988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2861, 3636, 5722, 7272, 8583, 11444, 17166, 22888, 25749, 34332, 51498, 68664, 102996, 205992, 288961, 577922, 866883, 1155844, 1733766, 2311688, 2600649, 3467532, 5201298, 6935064, 10402596, 20805192]

約数ペア:

[(1, 20805192), (2, 10402596), (3, 6935064), (4, 5201298), (6, 3467532), (8, 2600649), (9, 2311688), (12, 1733766), (18, 1155844), (24, 866883), (36, 577922), (72, 288961), (101, 205992), (202, 102996), (303, 68664), (404, 51498), (606, 34332), (808, 25749), (909, 22888), (1212, 17166), (1818, 11444), (2424, 8583), (2861, 7272), (3636, 5722)]