20057515552

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{509}}^1\times {\mathrm{4261}}^1$

素因数の和:4814

約数の個数: 72

約数和(自身を含む): 42039984420

約数和(自身を除く): 21982468868

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 509, 544, 578, 1018, 1156, 2036, 2312, 4072, 4261, 4624, 8144, 8522, 8653, 9248, 16288, 17044, 17306, 34088, 34612, 68176, 69224, 72437, 136352, 138448, 144874, 147101, 276896, 289748, 294202, 579496, 588404, 1158992, 1176808, 1231429, 2168849, 2317984, 2353616, 2462858, 4337698, 4707232, 4925716, 8675396, 9851432, 17350792, 19702864, 34701584, 36870433, 39405728, 69403168, 73740866, 147481732, 294963464, 589926928, 626797361, 1179853856, 1253594722, 2507189444, 5014378888, 10028757776, 20057515552]

約数ペア:

[(1, 20057515552), (2, 10028757776), (4, 5014378888), (8, 2507189444), (16, 1253594722), (17, 1179853856), (32, 626797361), (34, 589926928), (68, 294963464), (136, 147481732), (272, 73740866), (289, 69403168), (509, 39405728), (544, 36870433), (578, 34701584), (1018, 19702864), (1156, 17350792), (2036, 9851432), (2312, 8675396), (4072, 4925716), (4261, 4707232), (4624, 4337698), (8144, 2462858), (8522, 2353616), (8653, 2317984), (9248, 2168849), (16288, 1231429), (17044, 1176808), (17306, 1158992), (34088, 588404), (34612, 579496), (68176, 294202), (69224, 289748), (72437, 276896), (136352, 147101), (138448, 144874)]