20560014

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 49824000

約数和(自身を除く): 29263986

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 691, 783, 1026, 1102, 1382, 1566, 1653, 2073, 3306, 4146, 4959, 6219, 9918, 12438, 13129, 14877, 18657, 20039, 26258, 29754, 37314, 39387, 40078, 60117, 78774, 118161, 120234, 180351, 236322, 354483, 360702, 380741, 541053, 708966, 761482, 1082106, 1142223, 2284446, 3426669, 6853338, 10280007, 20560014]

約数ペア:

[(1, 20560014), (2, 10280007), (3, 6853338), (6, 3426669), (9, 2284446), (18, 1142223), (19, 1082106), (27, 761482), (29, 708966), (38, 541053), (54, 380741), (57, 360702), (58, 354483), (87, 236322), (114, 180351), (171, 120234), (174, 118161), (261, 78774), (342, 60117), (513, 40078), (522, 39387), (551, 37314), (691, 29754), (783, 26258), (1026, 20039), (1102, 18657), (1382, 14877), (1566, 13129), (1653, 12438), (2073, 9918), (3306, 6219), (4146, 4959)]