20179698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1463

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31798542

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1409, 2046, 2387, 2818, 4227, 4774, 7161, 8454, 9863, 14322, 15499, 19726, 29589, 30998, 43679, 46497, 59178, 87358, 92994, 108493, 131037, 216986, 262074, 305753, 325479, 480469, 611506, 650958, 917259, 960938, 1441407, 1834518, 2882814, 3363283, 6726566, 10089849, 20179698]

約数ペア:

[(1, 20179698), (2, 10089849), (3, 6726566), (6, 3363283), (7, 2882814), (11, 1834518), (14, 1441407), (21, 960938), (22, 917259), (31, 650958), (33, 611506), (42, 480469), (62, 325479), (66, 305753), (77, 262074), (93, 216986), (154, 131037), (186, 108493), (217, 92994), (231, 87358), (341, 59178), (434, 46497), (462, 43679), (651, 30998), (682, 29589), (1023, 19726), (1302, 15499), (1409, 14322), (2046, 9863), (2387, 8454), (2818, 7161), (4227, 4774)]