20438384408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{569}}^2\times {\mathrm{607}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 41410582080

約数和(自身を除く): 20972197672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 569, 607, 1138, 1214, 2276, 2428, 4552, 4856, 7397, 7891, 14794, 15782, 29588, 31564, 59176, 63128, 323761, 345383, 647522, 690766, 1295044, 1381532, 2590088, 2763064, 4208893, 4489979, 8417786, 8979958, 16835572, 17959916, 33671144, 35919832, 196522927, 393045854, 786091708, 1572183416, 2554798051, 5109596102, 10219192204, 20438384408]

約数ペア:

[(1, 20438384408), (2, 10219192204), (4, 5109596102), (8, 2554798051), (13, 1572183416), (26, 786091708), (52, 393045854), (104, 196522927), (569, 35919832), (607, 33671144), (1138, 17959916), (1214, 16835572), (2276, 8979958), (2428, 8417786), (4552, 4489979), (4856, 4208893), (7397, 2763064), (7891, 2590088), (14794, 1381532), (15782, 1295044), (29588, 690766), (31564, 647522), (59176, 345383), (63128, 323761)]