20171676895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 26653017600

約数和(自身を除く): 6481340705

約数列:

[1, 5, 19, 43, 89, 95, 113, 215, 445, 491, 565, 817, 1691, 2147, 2455, 3827, 4085, 4859, 8455, 9329, 10057, 10735, 19135, 21113, 24295, 43699, 46645, 50285, 55483, 72713, 92321, 105565, 191083, 218495, 277415, 363565, 401147, 432451, 461605, 830281, 955415, 1054177, 1879057, 2005735, 2162255, 2385769, 4151405, 4937987, 5270885, 8216569, 9395285, 11928845, 24689935, 35702083, 41082845, 45329611, 93821753, 178510415, 212333441, 226648055, 469108765, 1061667205, 4034335379, 20171676895]

約数ペア:

[(1, 20171676895), (5, 4034335379), (19, 1061667205), (43, 469108765), (89, 226648055), (95, 212333441), (113, 178510415), (215, 93821753), (445, 45329611), (491, 41082845), (565, 35702083), (817, 24689935), (1691, 11928845), (2147, 9395285), (2455, 8216569), (3827, 5270885), (4085, 4937987), (4859, 4151405), (8455, 2385769), (9329, 2162255), (10057, 2005735), (10735, 1879057), (19135, 1054177), (21113, 955415), (24295, 830281), (43699, 461605), (46645, 432451), (50285, 401147), (55483, 363565), (72713, 277415), (92321, 218495), (105565, 191083)]