20182071856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{1049}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 40997376000

約数和(自身を除く): 20815304144

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 491, 496, 632, 982, 1049, 1264, 1964, 2098, 2449, 3928, 4196, 4898, 7856, 8392, 9796, 15221, 16784, 19592, 30442, 32519, 38789, 39184, 60884, 65038, 77578, 82871, 121768, 130076, 155156, 165742, 243536, 260152, 310312, 331484, 515059, 520304, 620624, 662968, 1030118, 1202459, 1325936, 2060236, 2404918, 2569001, 4120472, 4809836, 5138002, 8240944, 9619672, 10276004, 15966829, 19239344, 20552008, 31933658, 40689661, 41104016, 63867316, 81379322, 127734632, 162758644, 255469264, 325517288, 651034576, 1261379491, 2522758982, 5045517964, 10091035928, 20182071856]

約数ペア:

[(1, 20182071856), (2, 10091035928), (4, 5045517964), (8, 2522758982), (16, 1261379491), (31, 651034576), (62, 325517288), (79, 255469264), (124, 162758644), (158, 127734632), (248, 81379322), (316, 63867316), (491, 41104016), (496, 40689661), (632, 31933658), (982, 20552008), (1049, 19239344), (1264, 15966829), (1964, 10276004), (2098, 9619672), (2449, 8240944), (3928, 5138002), (4196, 4809836), (4898, 4120472), (7856, 2569001), (8392, 2404918), (9796, 2060236), (15221, 1325936), (16784, 1202459), (19592, 1030118), (30442, 662968), (32519, 620624), (38789, 520304), (39184, 515059), (60884, 331484), (65038, 310312), (77578, 260152), (82871, 243536), (121768, 165742), (130076, 155156)]