20449980306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1\times {\mathrm{1847}}^1$

素因数の和:3605

約数の個数: 128

約数和(自身を含む): 55053250560

約数和(自身を除く): 34603270254

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 1723, 1847, 2142, 3213, 3446, 3694, 5169, 5541, 6426, 10338, 11082, 12061, 12929, 15507, 16623, 24122, 25858, 29291, 31014, 31399, 33246, 36183, 38787, 46521, 49869, 58582, 62798, 72366, 77574, 87873, 93042, 94197, 99738, 108549, 116361, 175746, 188394, 205037, 217098, 219793, 232722, 263619, 282591, 325647, 349083, 410074, 439586, 527238, 565182, 615111, 651294, 659379, 698166, 790857, 847773, 1230222, 1318758, 1581714, 1695546, 1845333, 1978137, 3182381, 3690666, 3956274, 5535999, 5934411, 6364762, 9547143, 11071998, 11868822, 19094286, 22276667, 28641429, 44553334, 54100477, 57282858, 66830001, 85924287, 108200954, 133660002, 162301431, 171848574, 200490003, 324602862, 378703339, 400980006, 486904293, 601470009, 757406678, 973808586, 1136110017, 1202940018, 1460712879, 2272220034, 2921425758, 3408330051, 6816660102, 10224990153, 20449980306]

約数ペア:

[(1, 20449980306), (2, 10224990153), (3, 6816660102), (6, 3408330051), (7, 2921425758), (9, 2272220034), (14, 1460712879), (17, 1202940018), (18, 1136110017), (21, 973808586), (27, 757406678), (34, 601470009), (42, 486904293), (51, 400980006), (54, 378703339), (63, 324602862), (102, 200490003), (119, 171848574), (126, 162301431), (153, 133660002), (189, 108200954), (238, 85924287), (306, 66830001), (357, 57282858), (378, 54100477), (459, 44553334), (714, 28641429), (918, 22276667), (1071, 19094286), (1723, 11868822), (1847, 11071998), (2142, 9547143), (3213, 6364762), (3446, 5934411), (3694, 5535999), (5169, 3956274), (5541, 3690666), (6426, 3182381), (10338, 1978137), (11082, 1845333), (12061, 1695546), (12929, 1581714), (15507, 1318758), (16623, 1230222), (24122, 847773), (25858, 790857), (29291, 698166), (31014, 659379), (31399, 651294), (33246, 615111), (36183, 565182), (38787, 527238), (46521, 439586), (49869, 410074), (58582, 349083), (62798, 325647), (72366, 282591), (77574, 263619), (87873, 232722), (93042, 219793), (94197, 217098), (99738, 205037), (108549, 188394), (116361, 175746)]