20185283540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1\times {\mathrm{1873}}^1$

素因数の和:3021

約数の個数: 96

約数和(自身を含む): 46497538080

約数和(自身を除く): 26312254540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1093, 1873, 1972, 2186, 2465, 3746, 4372, 4930, 5465, 7492, 9365, 9860, 10930, 18581, 18730, 21860, 31697, 31841, 37162, 37460, 54317, 63394, 63682, 74324, 92905, 108634, 126788, 127364, 158485, 159205, 185810, 217268, 271585, 316970, 318410, 371620, 538849, 543170, 633940, 636820, 923389, 1077698, 1086340, 1846778, 2047189, 2155396, 2694245, 3693556, 4094378, 4616945, 5388490, 8188756, 9233890, 10235945, 10776980, 18467780, 20471890, 34802213, 40943780, 59368481, 69604426, 118736962, 139208852, 174011065, 237473924, 296842405, 348022130, 593684810, 696044260, 1009264177, 1187369620, 2018528354, 4037056708, 5046320885, 10092641770, 20185283540]

約数ペア:

[(1, 20185283540), (2, 10092641770), (4, 5046320885), (5, 4037056708), (10, 2018528354), (17, 1187369620), (20, 1009264177), (29, 696044260), (34, 593684810), (58, 348022130), (68, 296842405), (85, 237473924), (116, 174011065), (145, 139208852), (170, 118736962), (290, 69604426), (340, 59368481), (493, 40943780), (580, 34802213), (986, 20471890), (1093, 18467780), (1873, 10776980), (1972, 10235945), (2186, 9233890), (2465, 8188756), (3746, 5388490), (4372, 4616945), (4930, 4094378), (5465, 3693556), (7492, 2694245), (9365, 2155396), (9860, 2047189), (10930, 1846778), (18581, 1086340), (18730, 1077698), (21860, 923389), (31697, 636820), (31841, 633940), (37162, 543170), (37460, 538849), (54317, 371620), (63394, 318410), (63682, 316970), (74324, 271585), (92905, 217268), (108634, 185810), (126788, 159205), (127364, 158485)]