20761161776

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1602

約数の個数: 80

約数和(自身を含む): 42001597440

約数和(自身を除く): 21240435664

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 197, 248, 358, 394, 496, 716, 788, 1187, 1432, 1576, 2374, 2864, 3152, 4748, 5549, 6107, 9496, 11098, 12214, 18992, 22196, 24428, 35263, 36797, 44392, 48856, 70526, 73594, 88784, 97712, 141052, 147188, 212473, 233839, 282104, 294376, 424946, 467678, 564208, 588752, 849892, 935356, 1093153, 1699784, 1870712, 2186306, 3399568, 3741424, 4372612, 6586663, 7249009, 8745224, 13173326, 14498018, 17490448, 26346652, 28996036, 41857181, 52693304, 57992072, 83714362, 105386608, 115984144, 167428724, 334857448, 669714896, 1297572611, 2595145222, 5190290444, 10380580888, 20761161776]

約数ペア:

[(1, 20761161776), (2, 10380580888), (4, 5190290444), (8, 2595145222), (16, 1297572611), (31, 669714896), (62, 334857448), (124, 167428724), (179, 115984144), (197, 105386608), (248, 83714362), (358, 57992072), (394, 52693304), (496, 41857181), (716, 28996036), (788, 26346652), (1187, 17490448), (1432, 14498018), (1576, 13173326), (2374, 8745224), (2864, 7249009), (3152, 6586663), (4748, 4372612), (5549, 3741424), (6107, 3399568), (9496, 2186306), (11098, 1870712), (12214, 1699784), (18992, 1093153), (22196, 935356), (24428, 849892), (35263, 588752), (36797, 564208), (44392, 467678), (48856, 424946), (70526, 294376), (73594, 282104), (88784, 233839), (97712, 212473), (141052, 147188)]