20174555968

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{207523}}^1$

素因数の和:207580

約数の個数: 84

約数和(自身を含む): 48072519552

約数和(自身を除く): 27897963584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 992, 1519, 1568, 1736, 1984, 3038, 3136, 3472, 6076, 6944, 12152, 13888, 24304, 48608, 97216, 207523, 415046, 830092, 1452661, 1660184, 2905322, 3320368, 5810644, 6433213, 6640736, 10168627, 11621288, 12866426, 13281472, 20337254, 23242576, 25732852, 40674508, 45032491, 46485152, 51465704, 81349016, 90064982, 92970304, 102931408, 162698032, 180129964, 205862816, 315227437, 325396064, 360259928, 411725632, 630454874, 650792128, 720519856, 1260909748, 1441039712, 2521819496, 2882079424, 5043638992, 10087277984, 20174555968]

約数ペア:

[(1, 20174555968), (2, 10087277984), (4, 5043638992), (7, 2882079424), (8, 2521819496), (14, 1441039712), (16, 1260909748), (28, 720519856), (31, 650792128), (32, 630454874), (49, 411725632), (56, 360259928), (62, 325396064), (64, 315227437), (98, 205862816), (112, 180129964), (124, 162698032), (196, 102931408), (217, 92970304), (224, 90064982), (248, 81349016), (392, 51465704), (434, 46485152), (448, 45032491), (496, 40674508), (784, 25732852), (868, 23242576), (992, 20337254), (1519, 13281472), (1568, 12866426), (1736, 11621288), (1984, 10168627), (3038, 6640736), (3136, 6433213), (3472, 5810644), (6076, 3320368), (6944, 2905322), (12152, 1660184), (13888, 1452661), (24304, 830092), (48608, 415046), (97216, 207523)]