20121949588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^3\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 40332723200

約数和(自身を除く): 20210773612

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 157, 172, 314, 403, 559, 628, 806, 1118, 1333, 1612, 1849, 2041, 2236, 2666, 3698, 4082, 4867, 5332, 6751, 7396, 8164, 9734, 13502, 17329, 19468, 24037, 27004, 34658, 48074, 57319, 63271, 69316, 79507, 87763, 96148, 114638, 126542, 159014, 175526, 209281, 229276, 253084, 290293, 318028, 351052, 418562, 580586, 745147, 837124, 1033591, 1161172, 1490294, 2067182, 2464717, 2720653, 2980588, 3773809, 4134364, 4929434, 5441306, 7547618, 8999083, 9858868, 10882612, 12482599, 15095236, 17998166, 24965198, 32041321, 35996332, 49930396, 64082642, 116988079, 128165284, 162273787, 233976158, 324547574, 386960569, 467952316, 649095148, 773921138, 1547842276, 5030487397, 10060974794, 20121949588]

約数ペア:

[(1, 20121949588), (2, 10060974794), (4, 5030487397), (13, 1547842276), (26, 773921138), (31, 649095148), (43, 467952316), (52, 386960569), (62, 324547574), (86, 233976158), (124, 162273787), (157, 128165284), (172, 116988079), (314, 64082642), (403, 49930396), (559, 35996332), (628, 32041321), (806, 24965198), (1118, 17998166), (1333, 15095236), (1612, 12482599), (1849, 10882612), (2041, 9858868), (2236, 8999083), (2666, 7547618), (3698, 5441306), (4082, 4929434), (4867, 4134364), (5332, 3773809), (6751, 2980588), (7396, 2720653), (8164, 2464717), (9734, 2067182), (13502, 1490294), (17329, 1161172), (19468, 1033591), (24037, 837124), (27004, 745147), (34658, 580586), (48074, 418562), (57319, 351052), (63271, 318028), (69316, 290293), (79507, 253084), (87763, 229276), (96148, 209281), (114638, 175526), (126542, 159014)]