20121015248

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1398847}}^1$

素因数の和:1398915

約数の個数: 40

約数和(自身を含む): 41629716480

約数和(自身を除く): 21508701232

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1798, 3596, 7192, 14384, 1398847, 2797694, 5595388, 11190776, 22381552, 40566563, 43364257, 81133126, 86728514, 162266252, 173457028, 324532504, 346914056, 649065008, 693828112, 1257563453, 2515126906, 5030253812, 10060507624, 20121015248]

約数ペア:

[(1, 20121015248), (2, 10060507624), (4, 5030253812), (8, 2515126906), (16, 1257563453), (29, 693828112), (31, 649065008), (58, 346914056), (62, 324532504), (116, 173457028), (124, 162266252), (232, 86728514), (248, 81133126), (464, 43364257), (496, 40566563), (899, 22381552), (1798, 11190776), (3596, 5595388), (7192, 2797694), (14384, 1398847)]