20553601424

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{50119}}^1$

素因数の和:50236

約数の個数: 60

約数和(自身を含む): 42621647040

約数和(自身を除く): 22068045616

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 361, 568, 722, 1136, 1349, 1444, 2698, 2888, 5396, 5776, 10792, 21584, 25631, 50119, 51262, 100238, 102524, 200476, 205048, 400952, 410096, 801904, 952261, 1904522, 3558449, 3809044, 7116898, 7618088, 14233796, 15236176, 18092959, 28467592, 36185918, 56935184, 67610531, 72371836, 135221062, 144743672, 270442124, 289487344, 540884248, 1081768496, 1284600089, 2569200178, 5138400356, 10276800712, 20553601424]

約数ペア:

[(1, 20553601424), (2, 10276800712), (4, 5138400356), (8, 2569200178), (16, 1284600089), (19, 1081768496), (38, 540884248), (71, 289487344), (76, 270442124), (142, 144743672), (152, 135221062), (284, 72371836), (304, 67610531), (361, 56935184), (568, 36185918), (722, 28467592), (1136, 18092959), (1349, 15236176), (1444, 14233796), (2698, 7618088), (2888, 7116898), (5396, 3809044), (5776, 3558449), (10792, 1904522), (21584, 952261), (25631, 801904), (50119, 410096), (51262, 400952), (100238, 205048), (102524, 200476)]