20517202377

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{701}}^1\times {\mathrm{1213}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 34034577408

約数和(自身を除く): 13517375031

約数列:

[1, 3, 7, 9, 21, 63, 383, 701, 1149, 1213, 2103, 2681, 3447, 3639, 4907, 6309, 8043, 8491, 10917, 14721, 24129, 25473, 44163, 76419, 268483, 464579, 805449, 850313, 1393737, 1879381, 2416347, 2550939, 3252053, 4181211, 5638143, 5952191, 7652817, 9756159, 16914429, 17856573, 29268477, 53569719, 325669879, 977009637, 2279689153, 2931028911, 6839067459, 20517202377]

約数ペア:

[(1, 20517202377), (3, 6839067459), (7, 2931028911), (9, 2279689153), (21, 977009637), (63, 325669879), (383, 53569719), (701, 29268477), (1149, 17856573), (1213, 16914429), (2103, 9756159), (2681, 7652817), (3447, 5952191), (3639, 5638143), (4907, 4181211), (6309, 3252053), (8043, 2550939), (8491, 2416347), (10917, 1879381), (14721, 1393737), (24129, 850313), (25473, 805449), (44163, 464579), (76419, 268483)]