20783125888

素因数分解:

$2^7\times 7^1\times {\mathrm{2237}}^1\times {\mathrm{10369}}^1$

素因数の和:12627

約数の個数: 64

約数和(自身を含む): 47344442400

約数和(自身を除く): 26561316512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 2237, 4474, 8948, 10369, 15659, 17896, 20738, 31318, 35792, 41476, 62636, 71584, 72583, 82952, 125272, 143168, 145166, 165904, 250544, 286336, 290332, 331808, 501088, 580664, 663616, 1002176, 1161328, 1327232, 2004352, 2322656, 4645312, 9290624, 23195453, 46390906, 92781812, 162368171, 185563624, 324736342, 371127248, 649472684, 742254496, 1298945368, 1484508992, 2597890736, 2969017984, 5195781472, 10391562944, 20783125888]

約数ペア:

[(1, 20783125888), (2, 10391562944), (4, 5195781472), (7, 2969017984), (8, 2597890736), (14, 1484508992), (16, 1298945368), (28, 742254496), (32, 649472684), (56, 371127248), (64, 324736342), (112, 185563624), (128, 162368171), (224, 92781812), (448, 46390906), (896, 23195453), (2237, 9290624), (4474, 4645312), (8948, 2322656), (10369, 2004352), (15659, 1327232), (17896, 1161328), (20738, 1002176), (31318, 663616), (35792, 580664), (41476, 501088), (62636, 331808), (71584, 290332), (72583, 286336), (82952, 250544), (125272, 165904), (143168, 145166)]