20173161580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{41737}}^1$

素因数の和:41796

約数の個数: 96

約数和(自身を含む): 50065565760

約数和(自身を除く): 29892404180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2197, 2860, 3380, 3718, 4394, 7436, 8788, 9295, 10985, 18590, 21970, 24167, 37180, 41737, 43940, 48334, 83474, 96668, 120835, 166948, 208685, 241670, 417370, 459107, 483340, 542581, 834740, 918214, 1085162, 1836428, 2170324, 2295535, 2712905, 4591070, 5425810, 5968391, 7053553, 9182140, 10851620, 11936782, 14107106, 23873564, 28214212, 29841955, 35267765, 59683910, 70535530, 77589083, 91696189, 119367820, 141071060, 155178166, 183392378, 310356332, 366784756, 387945415, 458480945, 775890830, 916961890, 1008658079, 1551781660, 1833923780, 2017316158, 4034632316, 5043290395, 10086580790, 20173161580]

約数ペア:

[(1, 20173161580), (2, 10086580790), (4, 5043290395), (5, 4034632316), (10, 2017316158), (11, 1833923780), (13, 1551781660), (20, 1008658079), (22, 916961890), (26, 775890830), (44, 458480945), (52, 387945415), (55, 366784756), (65, 310356332), (110, 183392378), (130, 155178166), (143, 141071060), (169, 119367820), (220, 91696189), (260, 77589083), (286, 70535530), (338, 59683910), (572, 35267765), (676, 29841955), (715, 28214212), (845, 23873564), (1430, 14107106), (1690, 11936782), (1859, 10851620), (2197, 9182140), (2860, 7053553), (3380, 5968391), (3718, 5425810), (4394, 4591070), (7436, 2712905), (8788, 2295535), (9295, 2170324), (10985, 1836428), (18590, 1085162), (21970, 918214), (24167, 834740), (37180, 542581), (41737, 483340), (43940, 459107), (48334, 417370), (83474, 241670), (96668, 208685), (120835, 166948)]