20172023660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1215

約数の個数: 96

約数和(自身を含む): 43972346880

約数和(自身を除く): 23800323220

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 439, 530, 647, 670, 878, 1060, 1294, 1340, 1756, 2195, 2588, 3235, 3551, 4390, 6470, 7102, 8780, 12940, 14204, 17755, 23267, 29413, 34291, 35510, 43349, 46534, 58826, 68582, 71020, 86698, 93068, 116335, 117652, 137164, 147065, 171455, 173396, 216745, 232670, 284033, 294130, 342910, 433490, 465340, 568066, 588260, 685820, 866980, 1136132, 1420165, 1558889, 2297497, 2840330, 3117778, 4594994, 5680660, 6235556, 7794445, 9189988, 11487485, 15053749, 15588890, 19030211, 22974970, 30107498, 31177780, 38060422, 45949940, 60214996, 75268745, 76120844, 95151055, 150537490, 190302110, 301074980, 380604220, 1008601183, 2017202366, 4034404732, 5043005915, 10086011830, 20172023660]

約数ペア:

[(1, 20172023660), (2, 10086011830), (4, 5043005915), (5, 4034404732), (10, 2017202366), (20, 1008601183), (53, 380604220), (67, 301074980), (106, 190302110), (134, 150537490), (212, 95151055), (265, 76120844), (268, 75268745), (335, 60214996), (439, 45949940), (530, 38060422), (647, 31177780), (670, 30107498), (878, 22974970), (1060, 19030211), (1294, 15588890), (1340, 15053749), (1756, 11487485), (2195, 9189988), (2588, 7794445), (3235, 6235556), (3551, 5680660), (4390, 4594994), (6470, 3117778), (7102, 2840330), (8780, 2297497), (12940, 1558889), (14204, 1420165), (17755, 1136132), (23267, 866980), (29413, 685820), (34291, 588260), (35510, 568066), (43349, 465340), (46534, 433490), (58826, 342910), (68582, 294130), (71020, 284033), (86698, 232670), (93068, 216745), (116335, 173396), (117652, 171455), (137164, 147065)]