20130984945

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{381377}}^1$

素因数の和:381431

約数の個数: 64

約数和(自身を含む): 39541271040

約数和(自身を除く): 19410286095

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1955, 2295, 3105, 3519, 5865, 10557, 17595, 52785, 381377, 1144131, 1906885, 3432393, 5720655, 6483409, 8771671, 10297179, 17161965, 19450227, 26315013, 32417045, 43858355, 51485895, 58350681, 78945039, 97251135, 131575065, 149118407, 175052043, 236835117, 291753405, 394725195, 447355221, 745592035, 875260215, 1184175585, 1342065663, 2236776105, 4026196989, 6710328315, 20130984945]

約数ペア:

[(1, 20130984945), (3, 6710328315), (5, 4026196989), (9, 2236776105), (15, 1342065663), (17, 1184175585), (23, 875260215), (27, 745592035), (45, 447355221), (51, 394725195), (69, 291753405), (85, 236835117), (115, 175052043), (135, 149118407), (153, 131575065), (207, 97251135), (255, 78945039), (345, 58350681), (391, 51485895), (459, 43858355), (621, 32417045), (765, 26315013), (1035, 19450227), (1173, 17161965), (1955, 10297179), (2295, 8771671), (3105, 6483409), (3519, 5720655), (5865, 3432393), (10557, 1906885), (17595, 1144131), (52785, 381377)]