20148968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 47088000

約数和(自身を除く): 26939032

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 532, 551, 653, 812, 1064, 1102, 1306, 1624, 2204, 2612, 3857, 4408, 4571, 5224, 7714, 9142, 12407, 15428, 18284, 18937, 24814, 30856, 36568, 37874, 49628, 75748, 86849, 99256, 132559, 151496, 173698, 265118, 347396, 359803, 530236, 694792, 719606, 1060472, 1439212, 2518621, 2878424, 5037242, 10074484, 20148968]

約数ペア:

[(1, 20148968), (2, 10074484), (4, 5037242), (7, 2878424), (8, 2518621), (14, 1439212), (19, 1060472), (28, 719606), (29, 694792), (38, 530236), (56, 359803), (58, 347396), (76, 265118), (116, 173698), (133, 151496), (152, 132559), (203, 99256), (232, 86849), (266, 75748), (406, 49628), (532, 37874), (551, 36568), (653, 30856), (812, 24814), (1064, 18937), (1102, 18284), (1306, 15428), (1624, 12407), (2204, 9142), (2612, 7714), (3857, 5224), (4408, 4571)]