20111036720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{477017}}^1$

素因数の和:477078

約数の個数: 80

約数和(自身を含む): 51105800448

約数和(自身を除く): 30994763728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 42160, 477017, 954034, 1908068, 2385085, 3816136, 4770170, 7632272, 8109289, 9540340, 14787527, 16218578, 19080680, 29575054, 32437156, 38161360, 40546445, 59150108, 64874312, 73937635, 81092890, 118300216, 129748624, 147875270, 162185780, 236600432, 251387959, 295750540, 324371560, 502775918, 591501080, 648743120, 1005551836, 1183002160, 1256939795, 2011103672, 2513879590, 4022207344, 5027759180, 10055518360, 20111036720]

約数ペア:

[(1, 20111036720), (2, 10055518360), (4, 5027759180), (5, 4022207344), (8, 2513879590), (10, 2011103672), (16, 1256939795), (17, 1183002160), (20, 1005551836), (31, 648743120), (34, 591501080), (40, 502775918), (62, 324371560), (68, 295750540), (80, 251387959), (85, 236600432), (124, 162185780), (136, 147875270), (155, 129748624), (170, 118300216), (248, 81092890), (272, 73937635), (310, 64874312), (340, 59150108), (496, 40546445), (527, 38161360), (620, 32437156), (680, 29575054), (1054, 19080680), (1240, 16218578), (1360, 14787527), (2108, 9540340), (2480, 8109289), (2635, 7632272), (4216, 4770170), (5270, 3816136), (8432, 2385085), (10540, 1908068), (21080, 954034), (42160, 477017)]