20700253

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 26634240

約数和(自身を除く): 5933987

約数列:

[1, 7, 19, 23, 67, 101, 133, 161, 437, 469, 707, 1273, 1541, 1919, 2323, 3059, 6767, 8911, 10787, 13433, 16261, 29279, 44137, 47369, 128573, 155641, 204953, 308959, 900011, 1089487, 2957179, 20700253]

約数ペア:

[(1, 20700253), (7, 2957179), (19, 1089487), (23, 900011), (67, 308959), (101, 204953), (133, 155641), (161, 128573), (437, 47369), (469, 44137), (707, 29279), (1273, 16261), (1541, 13433), (1919, 10787), (2323, 8911), (3059, 6767)]