20784966

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 21889722

約数列:

[1, 2, 3, 6, 71, 97, 142, 194, 213, 291, 426, 503, 582, 1006, 1509, 3018, 6887, 13774, 20661, 35713, 41322, 48791, 71426, 97582, 107139, 146373, 214278, 292746, 3464161, 6928322, 10392483, 20784966]

約数ペア:

[(1, 20784966), (2, 10392483), (3, 6928322), (6, 3464161), (71, 292746), (97, 214278), (142, 146373), (194, 107139), (213, 97582), (291, 71426), (426, 48791), (503, 41322), (582, 35713), (1006, 20661), (1509, 13774), (3018, 6887)]