20866716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44587}}^1$

素因数の和:44610

約数の個数: 36

約数和(自身を含む): 56805112

約数和(自身を除く): 35938396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44587, 89174, 133761, 178348, 267522, 401283, 535044, 579631, 802566, 1159262, 1605132, 1738893, 2318524, 3477786, 5216679, 6955572, 10433358, 20866716]

約数ペア:

[(1, 20866716), (2, 10433358), (3, 6955572), (4, 5216679), (6, 3477786), (9, 2318524), (12, 1738893), (13, 1605132), (18, 1159262), (26, 802566), (36, 579631), (39, 535044), (52, 401283), (78, 267522), (117, 178348), (156, 133761), (234, 89174), (468, 44587)]